Regular Expressions
Explore the basics of regular expressions in JavaScript to enhance form validations. Understand pattern matching techniques to validate input fields like email addresses and improve user input handling in your web applications.
We'll cover the following...
We'll cover the following...
The previous validations were quite primitive as many strings containing a @ character are not valid email addresses. To perform more advanced checks, you can use a powerful tool: regular expressions.
A regular expression defines a pattern to which strings are compared, searching for matches. Many programming languages support them. What follows is just an introduction to the vast domain of regular expression.
Let’s get started by trying to create a regular expression checking ...
A JavaScript regular ...