anchor.diff:  
       if ((method.startsWith('pattern{') || method.startsWith("function-string{")) && method.endsWith("}") && new RegExp(r"[{}]").allMatches(method.replaceAll(r"\\", "").replaceAll(r"\{", "").replaceAll(r"\}", "")).length == 2) {
   
  -      if(method.startsWith("p")){
  +      if (method.startsWith("p")) {
           var content = method.substring(8, method.length - 1).replaceAll(r"\{", r"{").replaceAll(r"\}", "}");
           return (String value) => new RegExp(content).hasMatch(value);
         }
         var content = method.substring(16, method.length - 1).replaceAll(r"\{", r"{").replaceAll(r"\}", "}");
   
  -      var f = (String value){
  +      var f = (String value) {
           var h = FS.register.addType(Validator, this);
           var h1 = FS.register.addType(String, value);
           var h2 = FS.register.addAlias('_value', h1);
  
positive.code:       submitFunction = (_) {
          var h = FS.register.addType(FormHandler, this);
          var result = FS.register.runFunctionString(form.dataset['function-string']);
  
          if (result is! core.FutureResponse) {
            h.remove();
            return true;
  
negative.code:       }
      });
  
      if (ValidatingForm.hasValidator(form)) {
        validatingForm.validate(true);
      }
    }
  