regex - JavaScript: detection of regular expression in source code -

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i need parse javascript source code , match regular expressions of regular expression :). first tried regular expression:

(?:\/.*\/)

but not work if regular expression contains slash, in next source code

while (line.match(/[+*/]/))         line = line.replace(/([+*/])\s(\d+)\s(\d+)/, function (s, op, a, b) {             return operators[op](+a, +b);         });

i don`t know how keep possibilities in 1 regular expression. there way match regular expression in javascript source code using regular expressions?


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