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Regex Escape

Developer

Escape regex metacharacters so a literal string can be inserted into a pattern.

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0
Mode
Plain text
Escaped output
Price: \$12\.99 \(was \$15\.00\) \[50% off\]\?

Escape regex metacharacters so a literal string can be inserted into a pattern. This helper isn't the full ECMAScript RegExp.escape algorithm.

See more about the Regex Escape

Review delimiter and surrounding-pattern context.

Examples

Worked example

a+b?.[x] becomes a\+b\?\.\[x\].

This helper isn't the full ECMAScript RegExp.escape algorithm. Review delimiter and surrounding-pattern context.

Key features

  • Escape regex metacharacters so a literal string can be inserted into a pattern.

Related Blog Posts

Quick answers for Regex Escape

What does the Regex Escape do?
Escape regex metacharacters so a literal string can be inserted into a pattern. The Regex Escape is one of 900+ free developer tools on Toolblip - all open to use without a signup.
How do I use the Regex Escape?
Open the Regex Escape on this page, paste or upload your input, and the result updates as you type. Use the copy button to grab the output, or adjust options to tune the result. Nothing you enter leaves your browser.
Is the Regex Escape free to use?
Yes. The Regex Escape is a free online tool on Toolblip - no signup, no account, no hidden usage limits. It runs in your browser and works on desktop and mobile.
Is the Regex Escape safe and private?
Yes. The Regex Escape processes your data entirely client-side, so nothing you paste is uploaded or stored on any server. It's safe to use with internal snippets, private keys for debugging, or any other sensitive content you'd rather not send to a remote service.
What kind of output does the Regex Escape produce?
The Regex Escape produces clean, formatted output that you can copy or download with a single click. The output is tailored to the tool's purpose (formatted code, converted data, transformed text, or processed media) and is ready for immediate use in your project or workflow.
Does the Regex Escape work on mobile devices?
Yes. The Regex Escape is designed to work on any device with a modern browser, including phones and tablets. The interface adapts to smaller screens, and the core functionality (paste input, transform, copy output) works the same way regardless of your device.
Do I need to install anything to use the Regex Escape?
No. The Regex Escape runs entirely in your browser - no downloads, no accounts, no API keys. Paste your input, get the output, copy it back into your editor.
Can the Regex Escape handle large input files or long text?
Yes. The Regex Escape processes everything locally in your browser, so the only limit is your device's available memory. There are no arbitrary caps on input size, character count, or processing time that you would typically encounter with server-based tools.
Can I use the Regex Escape offline?
Once the page has loaded, the Regex Escape continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.