[Unknown123]

I dont get it, i also read here

Code:

"[a-z]" Lower case letters
"[A-Z]" Upper case letters
"[0-9]" Digits

pawn Code:

#define IsValidText(%1) regex_match(%1, "[a-zA-Z0-9]")
#define IsNumber(%1) regex_match(%1, "[0-9]")