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require('safe-regex');\nvar regex = process.argv.slice(2).join(' ');\nconsole.log(safe(regex));\n```\n\n```\n$ node safe.js '(x+x+)+y'\nfalse\n$ node safe.js '(beep|boop)*'\ntrue\n$ node safe.js '(a+){10}'\nfalse\n$ node safe.js '\\blocation\\s*:[^:\\n]+\\b(Oakland|San Francisco)\\b'\ntrue\n```\n\n# Methods\n\n``` js\nconst safe = require('safe-regex')\n```\n\n## const ok = safe(re, opts={})\n\nReturn a boolean `ok` whether or not the regex `re` is safe and not possibly\ncatastrophic.\n\n`re` can be a `RegExp` object or just a string.\n\nIf the `re` is a string and is an invalid regex, returns `false`.\n\n* `opts.limit` - maximum number of allowed repetitions in the entire regex.\nDefault: `25`.\n\n# Install\n\nWith [npm](https://npmjs.org) do:\n\n```\nnpm install safe-regex\n```\n\n# 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