PHP: Removing non-alphanumeric characters from a string? Decoherent Sep 1, 2004 Jump to latest Follow Reply ...

I'm trying to add a user in the form "user.name" on a RHEL3 system, but useradd keeps telling me "invalid user name." Is there any way around it? That's probably some validation that useradd is doing.

Charnita is a wife, pet mom, tech enthusiast, and part-time freelance writer with over 14 years of experience. She's done countless app roundups, product reviews, and tutorials! In her free time, she ...