Update README.md

Fixed bug with ZipCodeRule (: for the place of =)

Author: Asia

README.md

@@ -82,7 +82,7 @@ override func viewDidLoad() {
 
 	// You can now pass in regex and length parameters through overloaded contructors
 	validator.registerField(phoneNumberTextField, errorLabel: phoneNumberErrorLabel, rules: [RequiredRule(), MinLengthRule(length: 9)])
-	validator.registerField(zipcodeTextField, errorLabel: zipcodeErrorLabel, rules: [RequiredRule(), ZipCodeRule(regex = "\\d{5}")])
+	validator.registerField(zipcodeTextField, errorLabel: zipcodeErrorLabel, rules: [RequiredRule(), ZipCodeRule(regex : "\\d{5}")])
 
 	// You can unregister a text field if you no longer want to validate it
 	validator.unregisterField(fullNameTextField)