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Specifically I am talking about the regex that they have on the backend. I have downloaded the Firefox source code, and I have been grep
ing through it, but it is so huge that I always get too many results to sift through.
How do they this or where do I look in the source code for it?
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Are you after the firefox implementation specifically, or the one specified in the HTML5 specification ? They are probably the same.
– Paul – 2016-08-16T04:14:29.323This might be helpful: http://stackoverflow.com/questions/7786058/find-the-regex-used-by-html5-forms-for-validation
– mtak – 2016-08-23T11:34:50.350