131–132 of 132 posts
It ends up saying "none of [0-9]" when that's not actually a good english description of what should go there. It should say something equivalent to "one or more things that are not [0-9]". The empty string fits the description "none of [0-9]" but does not match that part of the regex.
Earlier quoted context omitted.
To anyone that sees this email validation regex, DO NOT USE IT. Hope that was clear, if not obvious. Use something like `^([^\s]＊)@([^\s]＊\.[^\s]＊)$` which will do most of the work for you, then check second group for common domain typos, and what have you.
>Use something like `^([^\s]＊)@([^\s]＊\.[^\s]＊)$` which will do most of the work for you I don't understand. How does this expression do anything even remotely close to email validation? For example, how does it tell you that: These are valid: test@nasa.gov ~~~~@nasa.gov joe+sometext@nasa.gov test@bbc.co.uk and that: These are NOT valid test@example.com (no MX RR) test@-nasa.gov test"@nasa.gov test@nasa.gov- test tes…