dist/validetta.js
function( tmp, self ) {
      var _arg = self.options.validators.regExp[ tmp.arg ],
        _reg = new RegExp( _arg.pattern );
      return _reg.test( tmp.val ) || _arg.errorMessage;
    }
function( tmp, self ) {
      var _arg = self.options.validators.regExp[ tmp.arg ],
        _reg = new RegExp( _arg.pattern );
      return _reg.test( tmp.val ) || _arg.errorMessage;
    }
function ( tmp , self ) { var _arg = self . options . validators . regExp [ tmp . arg ] , _reg = new RegExp ( _arg . pattern ) ; return _reg . test ( tmp . val ) || _arg . errorMessage ; }
Custom reg check
Custom reg check