Post Link : http://www.skptricks.com/2018/01/regular-expression-validation-using-jquery.html
A Regular expressions is a powerful tool in any language. In this tutorial we will be discussing how to use regular expression using Jquery and javascript. A regular expression is an object that describes a pattern of characters.
Regular expression validation using JQuery

In another word Regular expressions are used to perform pattern-matching and "search-and-replace" functions on text. We have created few function which covers different type of validation in HTML Form.

These Function return true and false during the function call.
True - When it is comply with validation expression
False - When it is not comply with validation expression

Complete details to follow post :
http://www.skptricks.com/2018/01/regular-expression-validation-using-jquery.html