diff --git a/application/Espo/Classes/FieldValidators/VarcharType.php b/application/Espo/Classes/FieldValidators/VarcharType.php
index d6849cf407..f2a199cacf 100644
--- a/application/Espo/Classes/FieldValidators/VarcharType.php
+++ b/application/Espo/Classes/FieldValidators/VarcharType.php
@@ -29,10 +29,18 @@
 
 namespace Espo\Classes\FieldValidators;
 
+use Espo\Core\Utils\Metadata;
 use Espo\ORM\Entity;
 
 class VarcharType
 {
+    private Metadata $metadata;
+
+    public function __construct(Metadata $metadata)
+    {
+        $this->metadata = $metadata;
+    }
+
     public function checkRequired(Entity $entity, string $field): bool
     {
         return $this->isNotEmpty($entity, $field);
@@ -51,8 +59,32 @@ class VarcharType
         return true;
     }
 
+    public function checkPattern(Entity $entity, string $field, ?string $validationValue): bool
+    {
+        if (!$this->isNotEmpty($entity, $field) || !$validationValue) {
+            return true;
+        }
+
+        $value = $entity->get($field);
+        $pattern = $validationValue;
+
+        if ($validationValue[0] === '$') {
+            $patternName = substr($validationValue, 1);
+
+            $pattern = $this->metadata->get(['app', 'regExpPatterns', $patternName, 'pattern']) ??
+                $pattern;
+        }
+
+        $preparedPattern = '/^' . $pattern . '$/';
+
+        return (bool) preg_match($preparedPattern, $value);
+    }
+
     protected function isNotEmpty(Entity $entity, string $field): bool
     {
-        return $entity->has($field) && $entity->get($field) !== '' && $entity->get($field) !== null;
+        return
+            $entity->has($field) &&
+            $entity->get($field) !== '' &&
+            $entity->get($field) !== null;
     }
 }
diff --git a/application/Espo/Core/Templates/Metadata/Base/entityDefs.json b/application/Espo/Core/Templates/Metadata/Base/entityDefs.json
index 329f6b9144..a75723018d 100644
--- a/application/Espo/Core/Templates/Metadata/Base/entityDefs.json
+++ b/application/Espo/Core/Templates/Metadata/Base/entityDefs.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "description": {
             "type": "text"
diff --git a/application/Espo/Core/Templates/Metadata/BasePlus/entityDefs.json b/application/Espo/Core/Templates/Metadata/BasePlus/entityDefs.json
index babfc01f73..af224b06d4 100644
--- a/application/Espo/Core/Templates/Metadata/BasePlus/entityDefs.json
+++ b/application/Espo/Core/Templates/Metadata/BasePlus/entityDefs.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "description": {
             "type": "text"
diff --git a/application/Espo/Core/Templates/Metadata/CategoryTree/entityDefs.json b/application/Espo/Core/Templates/Metadata/CategoryTree/entityDefs.json
index 3f87b31298..056bcbdc3b 100644
--- a/application/Espo/Core/Templates/Metadata/CategoryTree/entityDefs.json
+++ b/application/Espo/Core/Templates/Metadata/CategoryTree/entityDefs.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "order": {
             "type": "int",
@@ -106,4 +107,4 @@
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/application/Espo/Core/Templates/Metadata/Company/entityDefs.json b/application/Espo/Core/Templates/Metadata/Company/entityDefs.json
index 1e96c174f3..4442203c24 100644
--- a/application/Espo/Core/Templates/Metadata/Company/entityDefs.json
+++ b/application/Espo/Core/Templates/Metadata/Company/entityDefs.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "description": {
             "type": "text"
diff --git a/application/Espo/Core/Templates/Metadata/Event/entityDefs.json b/application/Espo/Core/Templates/Metadata/Event/entityDefs.json
index d15324e15d..ca720b0633 100644
--- a/application/Espo/Core/Templates/Metadata/Event/entityDefs.json
+++ b/application/Espo/Core/Templates/Metadata/Event/entityDefs.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "status": {
             "type": "enum",
diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Account.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Account.json
index ff450d7c1f..ce7b439e02 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Account.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Account.json
@@ -4,7 +4,8 @@
             "type": "varchar",
             "maxLength": 249,
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "website": {
             "type": "url",
@@ -86,7 +87,8 @@
         "sicCode": {
             "type": "varchar",
             "maxLength": 40,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "contactRole": {
             "type": "varchar",
diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Call.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Call.json
index 62d7d4c2f3..608f410e7f 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Call.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Call.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "status": {
             "type": "enum",
diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Campaign.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Campaign.json
index 8b94e51ca6..1c87d600dc 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Campaign.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Campaign.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "status": {
             "type": "enum",
diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Case.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Case.json
index 3111a9844c..fb9d32b8c2 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Case.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Case.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "number": {
             "type": "autoincrement",
diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Document.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Document.json
index bac0286c78..19c21b8ba3 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Document.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Document.json
@@ -4,7 +4,8 @@
             "type": "varchar",
             "required": true,
             "view": "crm:views/document/fields/name",
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "file": {
             "type": "file",
diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/DocumentFolder.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/DocumentFolder.json
index 8d0f1a9496..d4ab59a4d0 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/DocumentFolder.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/DocumentFolder.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "description": {
             "type": "text"
diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/KnowledgeBaseArticle.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/KnowledgeBaseArticle.json
index b8568ce392..598758aaaa 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/KnowledgeBaseArticle.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/KnowledgeBaseArticle.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "status": {
             "type": "enum",
diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/KnowledgeBaseCategory.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/KnowledgeBaseCategory.json
index f59ffc5f10..d21fee699b 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/KnowledgeBaseCategory.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/KnowledgeBaseCategory.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "description": {
             "type": "text"
diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Lead.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Lead.json
index f126e01592..6c4529823d 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Lead.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Lead.json
@@ -27,7 +27,8 @@
         },
         "title": {
             "type": "varchar",
-            "maxLength": 100
+            "maxLength": 100,
+            "pattern": "$noBadCharacters"
         },
         "status": {
             "type": "enum",
@@ -137,7 +138,8 @@
             "view": "views/fields/user"
         },
         "accountName": {
-            "type": "varchar"
+            "type": "varchar",
+            "pattern": "$noBadCharacters"
         },
         "assignedUser": {
             "type": "link",
diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/MassEmail.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/MassEmail.json
index 0be4a63e8f..9dc77881e0 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/MassEmail.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/MassEmail.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "status": {
             "type": "enum",
diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Meeting.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Meeting.json
index 9673340bd0..921798ebae 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Meeting.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Meeting.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "status": {
             "type": "enum",
diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Opportunity.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Opportunity.json
index b292e5eb9a..4f61a7c46f 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Opportunity.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Opportunity.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "amount": {
             "type": "currency",
diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/TargetList.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/TargetList.json
index b9b9f627af..397009f29a 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/TargetList.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/TargetList.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "entryCount": {
             "type": "int",
diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Task.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Task.json
index e15296eb2a..d4da884334 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Task.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Task.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "status": {
             "type": "enum",
diff --git a/application/Espo/Resources/i18n/en_US/Admin.json b/application/Espo/Resources/i18n/en_US/Admin.json
index ee0bd14564..c53519689a 100644
--- a/application/Espo/Resources/i18n/en_US/Admin.json
+++ b/application/Espo/Resources/i18n/en_US/Admin.json
@@ -213,7 +213,8 @@
         "onlyDefaultCurrency": "Only default currency",
         "displayRawText": "Display raw text (no markdown)",
         "conversionDisabled": "Disable Conversion",
-        "decimalPlaces": "Decimal Places"
+        "decimalPlaces": "Decimal Places",
+        "pattern": "Pattern"
     },
     "strings" : {
         "rebuildRequired": "Rebuild is required"
diff --git a/application/Espo/Resources/i18n/en_US/FieldManager.json b/application/Espo/Resources/i18n/en_US/FieldManager.json
index 98ce6ac23e..bd21feeb7a 100644
--- a/application/Espo/Resources/i18n/en_US/FieldManager.json
+++ b/application/Espo/Resources/i18n/en_US/FieldManager.json
@@ -87,7 +87,8 @@
         "fileAccept": "Which file types to accept. It's possible to add custom items.",
         "barcodeLastChar": "For EAN-13 type.",
         "maxFileSize": "If empty or 0 then no limit.",
-        "conversionDisabled": "The currency conversion action won't be applied to this field."
+        "conversionDisabled": "The currency conversion action won't be applied to this field.",
+        "pattern": "A regular expression to check a field value against."
     },
     "fieldParts": {
         "address": {
diff --git a/application/Espo/Resources/i18n/en_US/Global.json b/application/Espo/Resources/i18n/en_US/Global.json
index 07075e4573..0b8b8ddd37 100644
--- a/application/Espo/Resources/i18n/en_US/Global.json
+++ b/application/Espo/Resources/i18n/en_US/Global.json
@@ -277,6 +277,8 @@
         "notModified": "You have not modified the record",
         "duplicate": "The record you are creating might already exist",
         "dropToAttach": "Drop to attach",
+        "fieldNotMatchingPattern": "{field} does not match the pattern `{pattern}`",
+        "fieldNotMatchingPattern$noBadCharacters": "{field} contains not allowed characters",
         "fieldInvalid": "{field} is invalid",
         "fieldIsRequired": "{field} is required",
         "fieldShouldBeEmail": "{field} should be a valid email",
diff --git a/application/Espo/Resources/metadata/app/regExpPatterns.json b/application/Espo/Resources/metadata/app/regExpPatterns.json
new file mode 100644
index 0000000000..518496c1a4
--- /dev/null
+++ b/application/Espo/Resources/metadata/app/regExpPatterns.json
@@ -0,0 +1,5 @@
+{
+    "noBadCharacters": {
+        "pattern": "[^<>=]+"
+    }
+}
diff --git a/application/Espo/Resources/metadata/entityDefs/EmailAccount.json b/application/Espo/Resources/metadata/entityDefs/EmailAccount.json
index e63bbe4f7b..ab62af71d8 100644
--- a/application/Espo/Resources/metadata/entityDefs/EmailAccount.json
+++ b/application/Espo/Resources/metadata/entityDefs/EmailAccount.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "emailAddress": {
             "type": "varchar",
diff --git a/application/Espo/Resources/metadata/entityDefs/EmailFilter.json b/application/Espo/Resources/metadata/entityDefs/EmailFilter.json
index fe724a30b1..9a61724fe4 100644
--- a/application/Espo/Resources/metadata/entityDefs/EmailFilter.json
+++ b/application/Espo/Resources/metadata/entityDefs/EmailFilter.json
@@ -5,7 +5,8 @@
             "required": true,
             "maxLength": 100,
             "tooltip": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "from": {
             "type": "varchar",
diff --git a/application/Espo/Resources/metadata/entityDefs/EmailFolder.json b/application/Espo/Resources/metadata/entityDefs/EmailFolder.json
index 08e7e27ba2..8ce67de526 100644
--- a/application/Espo/Resources/metadata/entityDefs/EmailFolder.json
+++ b/application/Espo/Resources/metadata/entityDefs/EmailFolder.json
@@ -4,7 +4,8 @@
             "type": "varchar",
             "required": true,
             "maxLength": 64,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "order": {
             "type": "int"
diff --git a/application/Espo/Resources/metadata/entityDefs/InboundEmail.json b/application/Espo/Resources/metadata/entityDefs/InboundEmail.json
index 79e003abf5..b635135c7f 100644
--- a/application/Espo/Resources/metadata/entityDefs/InboundEmail.json
+++ b/application/Espo/Resources/metadata/entityDefs/InboundEmail.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "emailAddress": {
             "type": "varchar",
diff --git a/application/Espo/Resources/metadata/entityDefs/Portal.json b/application/Espo/Resources/metadata/entityDefs/Portal.json
index cf5d11a8e5..10eb5fb944 100644
--- a/application/Espo/Resources/metadata/entityDefs/Portal.json
+++ b/application/Espo/Resources/metadata/entityDefs/Portal.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "maxLength": 100,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "logo": {
             "type": "image"
diff --git a/application/Espo/Resources/metadata/entityDefs/PortalRole.json b/application/Espo/Resources/metadata/entityDefs/PortalRole.json
index dac1d94e0d..3f5604e49d 100644
--- a/application/Espo/Resources/metadata/entityDefs/PortalRole.json
+++ b/application/Espo/Resources/metadata/entityDefs/PortalRole.json
@@ -4,7 +4,8 @@
             "maxLength": 150,
             "required": true,
             "type": "varchar",
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "data": {
             "type": "jsonObject"
diff --git a/application/Espo/Resources/metadata/entityDefs/Role.json b/application/Espo/Resources/metadata/entityDefs/Role.json
index 086f2178d4..b8d51b3374 100644
--- a/application/Espo/Resources/metadata/entityDefs/Role.json
+++ b/application/Espo/Resources/metadata/entityDefs/Role.json
@@ -4,7 +4,8 @@
             "maxLength": 150,
             "required": true,
             "type": "varchar",
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "assignmentPermission": {
             "type": "enum",
diff --git a/application/Espo/Resources/metadata/entityDefs/Team.json b/application/Espo/Resources/metadata/entityDefs/Team.json
index 0805f8d7e9..430ae9fc82 100644
--- a/application/Espo/Resources/metadata/entityDefs/Team.json
+++ b/application/Espo/Resources/metadata/entityDefs/Team.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "maxLength": 100,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "roles": {
             "type": "linkMultiple",
diff --git a/application/Espo/Resources/metadata/entityDefs/Template.json b/application/Espo/Resources/metadata/entityDefs/Template.json
index 4f4e6685d0..3ab1ee7aca 100644
--- a/application/Espo/Resources/metadata/entityDefs/Template.json
+++ b/application/Espo/Resources/metadata/entityDefs/Template.json
@@ -3,7 +3,8 @@
         "name": {
             "type": "varchar",
             "required": true,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "body": {
             "type": "wysiwyg",
@@ -125,4 +126,4 @@
         "order": "asc"
     },
     "optimisticConcurrencyControl": true
-}
\ No newline at end of file
+}
diff --git a/application/Espo/Resources/metadata/entityDefs/User.json b/application/Espo/Resources/metadata/entityDefs/User.json
index 6b1a05f530..366fcb61a1 100644
--- a/application/Espo/Resources/metadata/entityDefs/User.json
+++ b/application/Espo/Resources/metadata/entityDefs/User.json
@@ -91,7 +91,8 @@
         "title": {
             "type": "varchar",
             "maxLength": 100,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "position": {
             "type": "varchar",
diff --git a/application/Espo/Resources/metadata/fields/address.json b/application/Espo/Resources/metadata/fields/address.json
index 5f04eea787..20727173e2 100644
--- a/application/Espo/Resources/metadata/fields/address.json
+++ b/application/Espo/Resources/metadata/fields/address.json
@@ -17,26 +17,30 @@
             "trim": true,
             "maxLength": 255,
             "view": "views/fields/address-city",
-            "customizationOptionsDisabled": true
+            "customizationOptionsDisabled": true,
+            "pattern": "$noBadCharacters"
         },
         "state": {
             "type":"varchar",
             "trim": true,
             "maxLength": 255,
             "view": "views/fields/address-state",
-            "customizationOptionsDisabled": true
+            "customizationOptionsDisabled": true,
+            "pattern": "$noBadCharacters"
         },
         "country": {
             "type":"varchar",
             "trim": true,
             "maxLength": 255,
             "view": "views/fields/address-country",
-            "customizationOptionsDisabled": true
+            "customizationOptionsDisabled": true,
+            "pattern": "$noBadCharacters"
         },
         "postalCode": {
             "type":"varchar",
             "maxLength": 40,
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "map": {
             "type": "map",
diff --git a/application/Espo/Resources/metadata/fields/personName.json b/application/Espo/Resources/metadata/fields/personName.json
index 4e3cb3d83e..61acb04911 100644
--- a/application/Espo/Resources/metadata/fields/personName.json
+++ b/application/Espo/Resources/metadata/fields/personName.json
@@ -21,16 +21,19 @@
         },
         "first":{
             "type":"varchar",
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "last":{
             "type":"varchar",
-            "trim": true
+            "trim": true,
+            "pattern": "$noBadCharacters"
         },
         "middle":{
             "type": "varchar",
             "trim": true,
-            "maxLength": 100
+            "maxLength": 100,
+            "pattern": "$noBadCharacters"
         }
     },
     "naming":"prefix",
@@ -46,4 +49,4 @@
         "first",
         "last"
     ]
-}
\ No newline at end of file
+}
diff --git a/application/Espo/Resources/metadata/fields/varchar.json b/application/Espo/Resources/metadata/fields/varchar.json
index 1554efdc9f..c2764e8020 100644
--- a/application/Espo/Resources/metadata/fields/varchar.json
+++ b/application/Espo/Resources/metadata/fields/varchar.json
@@ -21,6 +21,13 @@
             "name": "options",
             "type": "multiEnum"
         },
+        {
+            "name": "pattern",
+            "type": "varchar",
+            "default": null,
+            "tooltip": true,
+            "view": "views/admin/field-manager/fields/pattern"
+        },
         {
             "name": "audited",
             "type": "bool"
@@ -37,7 +44,8 @@
     ],
     "validationList": [
         "required",
-        "maxLength"
+        "maxLength",
+        "pattern"
     ],
     "filter": true,
     "personalData": true,
diff --git a/client/src/views/admin/field-manager/fields/pattern.js b/client/src/views/admin/field-manager/fields/pattern.js
new file mode 100644
index 0000000000..3516c92bd3
--- /dev/null
+++ b/client/src/views/admin/field-manager/fields/pattern.js
@@ -0,0 +1,48 @@
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2022 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+define('views/admin/field-manager/fields/pattern', ['views/fields/varchar'], function (Dep) {
+
+    /**
+     * @class
+     * @name Class
+     * @memberOf module:views/admin/field-manager/fields/pattern
+     * @extends module:views/fields/varchar.Class
+     */
+    return Dep.extend(/** @lends module:views/admin/field-manager/fields/pattern.Class# */{
+
+        noSpellCheck: true,
+
+        setupOptions: function () {
+            let patternList = Object.keys(this.getMetadata().get(['app', 'regExpPatterns']) || {})
+                .map(item => '$' + item);
+
+            this.setOptionList(patternList);
+        },
+    })
+});
diff --git a/client/src/views/fields/address.js b/client/src/views/fields/address.js
index 9b4f76a23b..7d0ab4f647 100644
--- a/client/src/views/fields/address.js
+++ b/client/src/views/fields/address.js
@@ -26,7 +26,7 @@
  * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
  ************************************************************************/
 
-define('views/fields/address', ['views/fields/base'], function (Dep) {
+define('views/fields/address', ['views/fields/base', 'views/fields/varchar'], function (Dep, Varchar) {
 
     /**
      * An address field.
@@ -56,6 +56,14 @@ define('views/fields/address', ['views/fields/base'], function (Dep) {
 
         searchTemplate: 'fields/address/search',
 
+        /**
+         * @inheritDoc
+         */
+        validations: [
+            'required',
+            'pattern',
+        ],
+
         /**
          * @inheritDoc
          */
@@ -606,6 +614,23 @@ define('views/fields/address', ['views/fields/base'], function (Dep) {
                 this.model.getFieldParam(this.countryField, 'required');
         },
 
+        validatePattern: function () {
+            let fieldList = [
+                this.postalCodeField,
+                this.stateField,
+                this.cityField,
+                this.countryField,
+            ];
+
+            let result = false;
+
+            for (let field of fieldList) {
+                result = Varchar.prototype.fieldValidatePattern.call(this, field) || result;
+            }
+
+            return result;
+        },
+
         fetch: function () {
             var data = {};
 
diff --git a/client/src/views/fields/person-name.js b/client/src/views/fields/person-name.js
index 82f5dc08f7..71974402e0 100644
--- a/client/src/views/fields/person-name.js
+++ b/client/src/views/fields/person-name.js
@@ -28,7 +28,13 @@
 
 define('views/fields/person-name', ['views/fields/varchar'], function (Dep) {
 
-    return Dep.extend({
+    /**
+     * @class
+     * @name Class
+     * @extends module:views/fields/varchar.Class
+     * @memberOf module:views/fields/person-name
+     */
+    return Dep.extend(/** @lends module:views/fields/person-name.Class# */{
 
         type: 'personName',
 
@@ -42,6 +48,14 @@ define('views/fields/person-name', ['views/fields/varchar'], function (Dep) {
 
         editTemplateFirstMiddleLast: 'fields/person-name/edit-first-middle-last',
 
+        /**
+         * @inheritDoc
+         */
+        validations: [
+            'required',
+            'pattern',
+        ],
+
         data: function () {
             var data = Dep.prototype.data.call(this);
 
@@ -270,6 +284,16 @@ define('views/fields/person-name', ['views/fields/varchar'], function (Dep) {
             return result;
         },
 
+        validatePattern: function () {
+            let result = false;
+
+            result = this.fieldValidatePattern(this.firstField) || result;
+            result = this.fieldValidatePattern(this.lastField) || result;
+            result = this.fieldValidatePattern(this.middleField) || result;
+
+            return result;
+        },
+
         hasRequiredMarker: function () {
             if (this.isRequired()) {
                 return true;
@@ -281,7 +305,7 @@ define('views/fields/person-name', ['views/fields/varchar'], function (Dep) {
                    this.model.getFieldParam(this.lastField, 'required');
         },
 
-        fetch: function (form) {
+        fetch: function () {
             var data = {};
 
             data[this.salutationField] = this.$salutation.val() || null;
diff --git a/client/src/views/fields/varchar.js b/client/src/views/fields/varchar.js
index 4aae402f3d..15ae472a5c 100644
--- a/client/src/views/fields/varchar.js
+++ b/client/src/views/fields/varchar.js
@@ -306,11 +306,11 @@ define('views/fields/varchar', ['views/fields/base'], function (Dep) {
             let messageKey = 'fieldNotMatchingPattern';
 
             if (pattern[0] === '$') {
-                let patternName = pattern;
+                let patternName = pattern.slice(1);
                 let foundPattern = this.getMetadata().get(['app', 'regExpPatterns', patternName, 'pattern']);
 
                 if (foundPattern) {
-                    messageKey += patternName;
+                    messageKey += '$' + patternName;
                     pattern = foundPattern;
                 }
             }