Email Address

var reg

= new

RegExp(‘^([a-zA-Z0-9_\\.\\-])+\@(([a-zA-Z0-9\\-])+\\.)+([a-zA-Z0-9]{2,4})+$’);

2 Decimal Floats

var regex = new RegExp(‘^[0-9]+(\.[0-9]{0,2})?$’);

replaceAll String

replace all commas with whitespace

var firstName ="John, Doe";
var formattedName= firstName.replace(/,/g,' ');