How to resolve `.` in my regex?

Question

I use this code to prevent special characters

String.prototype.isText = function () {return /^[\w\s&'%]*$/.test(this)} 

But I want it to allow points to be entered into a string.

How can I change it for this?

thanks

Answer 1

Add a point:

 String.prototype.isText = function () {return /^[\w\s&'%.]*$/.test(this)} 

Answer 2

 String.prototype.isText = function () {return /^[\.\w\s&'%]*$/.test(this)}