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[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / safe-regex / readme.markdown
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-# safe-regex
-
-detect potentially
-[catastrophic](http://regular-expressions.mobi/catastrophic.html)
-[exponential-time](http://perlgeek.de/blog-en/perl-tips/in-search-of-an-exponetial-regexp.html)
-regular expressions by limiting the
-[star height](https://en.wikipedia.org/wiki/Star_height) to 1
-
-WARNING: This module merely *seems* to work given all the catastrophic regular
-expressions I could find scouring the internet, but I don't have enough of a
-background in automata to be absolutely sure that this module will catch all
-exponential-time cases.
-
-[![browser support](https://ci.testling.com/substack/safe-regex.png)](https://ci.testling.com/substack/safe-regex)
-
-[![build status](https://secure.travis-ci.org/substack/safe-regex.png)](http://travis-ci.org/substack/safe-regex)
-
-# example
-
-``` js
-var safe = require('safe-regex');
-var regex = process.argv.slice(2).join(' ');
-console.log(safe(regex));
-```
-
-```
-$ node safe.js '(x+x+)+y'
-false
-$ node safe.js '(beep|boop)*'
-true
-$ node safe.js '(a+){10}'
-false
-$ node safe.js '\blocation\s*:[^:\n]+\b(Oakland|San Francisco)\b'
-true
-```
-
-# methods
-
-``` js
-var safe = require('safe-regex')
-```
-
-## var ok = safe(re, opts={})
-
-Return a boolean `ok` whether or not the regex `re` is safe and not possibly
-catastrophic.
-
-`re` can be a `RegExp` object or just a string.
-
-If the `re` is a string and is an invalid regex, returns `false`.
-
-* `opts.limit` - maximum number of allowed repetitions in the entire regex.
-Default: `25`.
-
-# install
-
-With [npm](https://npmjs.org) do:
-
-```
-npm install safe-regex
-```
-
-# license
-
-MIT