Escape a Regex Literal
Turn ordinary text containing plus signs, parentheses or dots into a standalone literal-matching JavaScript regular expression.
It is only processed in the browser, not uploading or saving. Leaving the page will be cleared; the calculation can also be cleared and the result can be discarded. Do not enter other people's credentials or private keys.
Escape a Regex Literal User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- Keep the literal meaning of a+b (demo).txt rather than treating it as repetition or a wildcard.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
Escape pattern metacharacters and newlines, with an option to escape slash delimiters.
scope of use
Limited to 50,000 characters. Use only as a complete standalone pattern, not in character classes, expression fragments or JSON string escaping.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
Limited to 50,000 characters. Use only as a complete standalone pattern, not in character classes, expression fragments or JSON string escaping. Please compare the input unit, rounding method, applicable rules and data version first.