Pattern method: Convert string param to RegExp. Fixes issue jquery-validation#223

gavacho · jzaefferer · commit 5dda6daa6c05 · 2012-02-23T19:24:54.000+01:00
diff --git a/additional-methods.js b/additional-methods.js
@@ -295,6 +295,12 @@ jQuery.validator.addMethod("ipv6", function(value, element, param) {
   * @cat Plugins/Validate/Methods
   */
 jQuery.validator.addMethod("pattern", function(value, element, param) {
-    return this.optional(element) || param.test(value);
+    if (this.optional(element)) {
+        return true;
+    }
+    if (typeof param === 'string') {
+        param = new RegExp('^(?:' + param + ')$');
+    }
+    return param.test(value);
 }, "Invalid format.");
 
diff --git a/test/methods.js b/test/methods.js
@@ -533,6 +533,7 @@ test("maxWords", function() {
 
 test("pattern", function() {
 	var method = methodTest("pattern");
+	ok( method( "AR1004", "AR\\d{4}" ), "Correct format for the given RegExp" );
 	ok( method( "AR1004", /^AR\d{4}$/ ), "Correct format for the given RegExp" );
 	ok( !method( "BR1004", /^AR\d{4}$/ ), "Invalid format for the given RegExp" );
 });
