---
title: "Check if a string includes a substring"
description: "Determine if a string contains a specific substring in TypeScript."
date: "2025-10-02"
tags: ["typescript","string","includes","frontend"]
canonical: "/snippets/typescript/string/string-includes"
---

import { Code } from '@astrojs/starlight/components'
import Source from './string-includes.ts?raw'

## Check if a string includes a substring

<Code code={Source} lang="ts" title="string-includes.ts" wrap />