Add validation method for BIC. Closes gh-743

additional-methods.js

@@ -276,6 +276,23 @@ jQuery.validator.addMethod("iban", function(value, element) {
 	return cRest === 1;
 }, "Please specify a valid IBAN");
 
+/**
+ * BIC is the business identifier code (ISO 9362). This BIC check is not a guarantee for authenticity.
+ *
+ * BIC pattern: BBBBCCLLbbb (8 or 11 characters long; bbb is optional)
+ *
+ * BIC definition in detail:
+ * - First 4 characters - bank code (only letters)
+ * - Next 2 characters - ISO 3166-1 alpha-2 country code (only letters)
+ * - Next 2 characters - location code (letters and digits)
+ *   a. shall not start with '0' or '1'
+ *   b. second character must be a letter ('O' is not allowed) or one of the following digits ('0' for test (therefore not allowed), '1' for passive participant and '2' for active participant)
+ * - Last 3 characters - branch code, optional (shall not start with 'X' except in case of 'XXX' for primary office) (letters and digits)
+ */
+jQuery.validator.addMethod("bic", function(value, element) {
+    return this.optional( element ) || /^([A-Z]{6}[A-Z2-9]{1}[A-NP-Z1-2]{1})(X{3}|[A-WY-Z0-9]{1}[A-Z0-9]{2})?$/.test( value );
+}, "Please specify a valid BIC code");
+
 jQuery.validator.addMethod("dateNL", function(value, element) {
 	return this.optional(element) || /^(0?[1-9]|[12]\d|3[01])[\.\/\-](0?[1-9]|1[012])[\.\/\-]([12]\d)?(\d\d)$/.test(value);
 }, "Please enter a correct date");

test/methods.js

@@ -662,6 +662,34 @@ test("iban", function() {
 	ok( method( "GB29 NWBK 6016 1331 9268 19"), "Valid IBAN - GB");
 });
 
+/**
+ * BIC tests (For BIC definition take a look on the implementation itself)
+ */
+test("bic", function() {
+    var method = methodTest( "bic" );
+
+    ok( !method( "PBNKDEF" ), "Invalid BIC: too short" );
+    ok( !method( "DEUTDEFFA1" ), "Invalid BIC: disallowed length" );
+    ok( !method( "PBNKDEFFXXX1" ), "Invalid BIC: too long" );
+    ok( !method( "1BNKDEFF" ), "Invalid BIC: invalid digit" );
+    ok( !method( "PBNKDE1F" ), "Invalid BIC: invalid digit" );
+    ok( !method( "PBNKDEF3" ), "Invalid BIC: invalid digit" );
+    ok( !method( "PBNKDEFO" ), "Invalid BIC: invalid char" );
+    ok( !method( "INGDDEFFXAA" ), "Invalid BIC: invalid char" );
+    ok( !method( "DEUTDEF0" ), "Invalid BIC: invalid digit" );
+
+    ok( method( "DEUTDEFF" ), "Valid BIC" );
+    ok( method( "DEUTDEFFXXX" ), "Valid BIC" );
+    ok( method( "PBNKDE2F" ), "Valid BIC" );
+    ok( method( "INGDDEFF101" ), "Valid BIC" );
+    ok( method( "INGDDEF2134" ), "Valid BIC" );
+    ok( method( "INGDDE91XXX" ), "Valid BIC" );
+    ok( method( "INGDDEF2" ), "Valid BIC" );
+    ok( method( "AAFFFRP1" ), "Valid BIC" );
+    ok( method( "DEUTDEFFAB1" ), "Valid BIC" );
+    ok( method( "DEUTDEFFAXX" ), "Valid BIC" );
+});
+
 test("postcodeUK", function() {
 	var method = methodTest("postcodeUK");
 	ok( method( "AA9A 9AA" ), "Valid postcode" );