RegExp.$2 constructor
      
      RegExp.$2(
    
    
- Object pattern
 
Implementation
factory RegExp.$2(_i2.Object pattern) => _i6.callConstructor(
      _declaredRegExp,
      [pattern],
    );
factory RegExp.$2(_i2.Object pattern) => _i6.callConstructor(
      _declaredRegExp,
      [pattern],
    );