Basically I just want to insure a username contains only a-z, 0-9, and underscore’s.
I think this regex will work /^([a-zA-Z0-9_-]+)$/ but I’m not sure how I can make Javascript use that to tell me whether or not a string contains characters other than those?
Any tips?
I think you’re looking for test()
The syntax may be a bit different than you’re used to, but looking at the examples should help.
Aye, that looks about right. Thank you.
That can be done with a much shorter expression
/^\w+$/
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