Core Code
Core Code Modern Dev Handbook

RegExp Test Method

Use test() to check if a pattern exists in a string.

Preview

Code

<script>
let regex = /cat/;

console.log(regex.test("The cat is here"));
console.log(regex.test("Dog"));
</script>

More JS RegExp Examples (7)

example Basic RegExp Pattern open example example RegExp Match Method open example example Global Flag Example open example example Ignore Case Flag open example example Replace with RegExp open example example Match Digits open example example Match Word Characters open example