JavaScript RegExp test() Method
The RegExp test() Method in JavaScript is used to test for match in a string. If there is a match this method returns true else it returns false.
Syntax:
RegExpObject.test(str)
Where str is the string to be searched. This is required field.
Example 1: This example searches for the string “computer” in the original string.
Javascript
function geek() { let str = "w3wiki is the computer science" + " portal for Beginner."; let regex = new RegExp("computer",); let rex = regex.test(str); console.log(rex);}geek() |
true
Example 2: This example searches for the string “GEEK” in the original string.
Javascript
function geek() { let str = "w3wiki is the computer science" + " portal for Beginner."; let regex = new RegExp("GEEK",); let rex = regex.test(str); console.log(rex);}geek() |
false
Supported Browsers: The browsers supported by RegExp test() Method are listed below:
- Google Chrome
- Apple Safari
- Mozilla Firefox
- Opera
- Edge
We have a complete list of Javascript RegExp expressions, to check those please go through this JavaScript RegExp Complete Reference article.
We have a Cheat Sheet on Javascript where we covered all the important topics of Javascript to check those please go through Javascript Cheat Sheet-A Basic guide to JavaScript.