Code Station

Declare the escape function at first

RegExp.escape = function(string) {
  return string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&')
};

And you can search special character like this code

var patern = '^^';
var regex = new RegExp(RegExp.escape(patern));
var text = 'Hello^^';
var match = text.match(regex));

Try to type the input

Try to type the patern with special character

Matched text found: