code: function(value, regExp) {
        if(regExp instanceof RegExp) {
          return value.match(regExp);
        }
        var
          regExpParts = regExp.match($.fn.form.settings.regExp.flags),
          flags
        ;
        // regular expression specified as /baz/gi (flags)
        if(regExpParts) {
          regExp = (regExpParts.length >= 2)
            ? regExpParts[1]
            : regExp
          ;
          flags = (regExpParts.length >= 3)
            ? regExpParts[2]
            : ''
          ;
        }
        return value.match( new RegExp(regExp, flags) );
      }
docs: matches specified regExp