Regular Expression: Allow letters, numbers, and spaces (with at least one letter or number)
- by makeee
I'm currently using this regex ^[A-Z0-9 _]*$ to accept letters, numbers, spaces and underscores. I need to modify it to require at least one number or letter somewhere in the string. Any help would be appreciated!
This would be for validating usernames for my website. I'd actually like to support as many characters as I can, but just want to…