PHP's quotemeta in TypeScript

How to use

Install via yarn add locutus and import: import { quotemeta } from 'locutus/php/strings/quotemeta'.

Or with CommonJS: const { quotemeta } = require('locutus/php/strings/quotemeta')

Use a bundler that supports tree-shaking so you only ship the functions you actually use. Vite, webpack, Rollup, and Parcel all handle this. For server-side use this is less of a concern.

Examples

These examples are extracted from test cases that automatically verify our functions against their native counterparts.

#	code	expected result
1	quotemeta(". + * ? ^ ( $ )")	'\\. \\+ \\* \\? \\^ \\( \\$ \\)'

Here's what our current TypeScript equivalent to PHP's quotemeta looks like.

TSTypeScript JSJavaScript TSStandalone TS JSStandalone JS

Copy code

export function quotemeta(str: string): string {
  //      discuss at: https://locutus.io/php/quotemeta/
  // parity verified: PHP 8.3
  //     original by: Paulo Freitas
  //       example 1: quotemeta(". + * ? ^ ( $ )")
  //       returns 1: '\\. \\+ \\* \\? \\^ \\( \\$ \\)'

  return (str + '').replace(/([.\\+*?[^\]$()])/g, '\\$1')
}

export function quotemeta(str) {
  //      discuss at: https://locutus.io/php/quotemeta/
  // parity verified: PHP 8.3
  //     original by: Paulo Freitas
  //       example 1: quotemeta(". + * ? ^ ( $ )")
  //       returns 1: '\\. \\+ \\* \\? \\^ \\( \\$ \\)'

  return (str + '').replace(/([.\\+*?[^\]$()])/g, '\\$1')
}

Improve this function

Locutus is a community effort following The McDonald's Theory: we ship first iterations, hoping others will improve them. If you see something that could be better, we'd love your contribution.

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