diff --git a/pkg/tools/gen/genkcl_jsonschema.go b/pkg/tools/gen/genkcl_jsonschema.go
index bf9052b2..bc893cd4 100644
--- a/pkg/tools/gen/genkcl_jsonschema.go
+++ b/pkg/tools/gen/genkcl_jsonschema.go
@@ -619,7 +619,46 @@ func convertSchemaFromJsonSchema(ctx *convertContext, s *jsonschema.Schema, name
 			// Do nothing for the readOnly keyword.
 			logger.GetLogger().Infof("unsupported keyword: %s, path: %s, omit it", k, strings.Join(ctx.paths, "/"))
 		case *jsonschema.Format:
-			logger.GetLogger().Warningf("unsupported keyword: %s, path: %s, see the issue: https://github.com/kcl-lang/kcl-go/issues/375", k, strings.Join(ctx.paths, "/"))
+			format := string(*v)
+			// Determine validation name and required status
+			var validationName string
+			var required bool
+			if len(ctx.paths) >= 2 {
+				validationName = ctx.paths[len(ctx.paths)-1]
+				required = result.property.Required
+			} else {
+				validationName = result.Name
+				required = true
+			}
+			var regexPattern *regexp.Regexp
+			switch format {
+			case "date-time":
+				regexPattern = regexp.MustCompile(`^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d+)?(Z|[+-]\d{2}:\d{2})$`)
+			case "email":
+				regexPattern = regexp.MustCompile(`^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$`)
+			case "hostname":
+				regexPattern = regexp.MustCompile(`^([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]{0,61}[a-zA-Z0-9])(\.([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]{0,61}[a-zA-Z0-9]))*$`)
+			case "ipv4":
+				regexPattern = regexp.MustCompile(`^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$`)
+			case "ipv6":
+				regexPattern = regexp.MustCompile(`^(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])))$`)
+			case "uri":
+				regexPattern = regexp.MustCompile(`^[a-zA-Z][a-zA-Z0-9+-.]*://[^/?#]+(?:/[^?#]*)?(?:\?[^#]*)?(?:#.*)?$`)
+			case "uuid":
+				regexPattern = regexp.MustCompile(`^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$`)
+			default:
+				logger.GetLogger().Warningf("unsupported format: %s, path: %s", format, strings.Join(ctx.paths, "/"))
+				regexPattern = nil
+			}
+			if regexPattern != nil {
+				result.Validations = append(result.Validations, validation{
+					Name:     validationName,
+					Required: required,
+					Regex:    regexPattern,
+				})
+				result.Type = typePrimitive(typStr)
+				ctx.imports["regex"] = struct{}{} // Ensure regex import is included in KCL
+			}
 		default:
 			logger.GetLogger().Warningf("unsupported keyword: %s, path: %s", k, strings.Join(ctx.paths, "/"))
 		}
diff --git a/pkg/tools/gen/testdata/jsonschema/as3/expect.k b/pkg/tools/gen/testdata/jsonschema/as3/expect.k
index 697a6fdd..52d4a95c 100644
--- a/pkg/tools/gen/testdata/jsonschema/as3/expect.k
+++ b/pkg/tools/gen/testdata/jsonschema/as3/expect.k
@@ -51,6 +51,7 @@ schema Adc:
     [...str]: Tenant
 
     check:
+        regex.match("$schema", r"^[a-zA-Z][a-zA-Z0-9+-.]*://[^/?#]+(?:/[^?#]*)?(?:\?[^#]*)?(?:#.*)?$") if "$schema"
         len(id) <= 255 if id
         len(id) >= 0 if id
         regex.match(id, r"^[^\x00-\x20\x22'<>\x5c^`|\x7f]*$") if id
@@ -213,6 +214,7 @@ schema As3:
     patchBody?: [As3PatchItem | As3PatchItem]
 
     check:
+        regex.match("$schema", r"^[a-zA-Z][a-zA-Z0-9+-.]*://[^/?#]+(?:/[^?#]*)?(?:\?[^#]*)?(?:#.*)?$") if "$schema"
         redeployAge <= 15 if redeployAge
         redeployAge >= 0 if redeployAge
         historyLimit <= 15 if historyLimit
@@ -337,6 +339,9 @@ schema As3OneOf0DeclarationConstants:
     timestamp?: str
     [...str]: bool | int | float | str | [any] | any
 
+    check:
+        regex.match(timestamp, r"^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d+)?(Z|[+-]\d{2}:\d{2})$") if timestamp
+
 schema As3OneOf0DeclarationTarget:
     r"""
     Trusted target for config when configuring with BIG-IQ
@@ -486,6 +491,9 @@ schema As3OneOf1Constants:
     timestamp?: str
     [...str]: bool | int | float | str | [any] | any
 
+    check:
+        regex.match(timestamp, r"^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d+)?(Z|[+-]\d{2}:\d{2})$") if timestamp
+
 schema As3OneOf1Target:
     r"""
     Trusted target for config when configuring with BIG-IQ
@@ -625,6 +633,9 @@ schema As3OneOf3Items0DeclarationConstants:
     timestamp?: str
     [...str]: bool | int | float | str | [any] | any
 
+    check:
+        regex.match(timestamp, r"^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d+)?(Z|[+-]\d{2}:\d{2})$") if timestamp
+
 schema As3OneOf3Items0DeclarationTarget:
     r"""
     Trusted target for config when configuring with BIG-IQ
@@ -789,6 +800,9 @@ schema As3OneOf4Items0Constants:
     timestamp?: str
     [...str]: bool | int | float | str | [any] | any
 
+    check:
+        regex.match(timestamp, r"^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d+)?(Z|[+-]\d{2}:\d{2})$") if timestamp
+
 schema As3OneOf4Items0Target:
     r"""
     Trusted target for config when configuring with BIG-IQ
@@ -872,6 +886,9 @@ schema Controls:
     traceResponse?: bool = False
     userAgent?: str
 
+    check:
+        regex.match(archiveTimestamp, r"^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d+)?(Z|[+-]\d{2}:\d{2})$") if archiveTimestamp
+
 schema Tenant:
     r"""
     Declares a Tenant