Regex allows only 1 character

Question

$rex = \'/^[^<,\"@?=>|;#]$/i\';

I\'m having trouble with this regular expression. The idea is that the input fields are checked for certain chara

Answer 1

You have the $ after your expression and the ^ in the beginning, which means you are accepting exactly one character.

EDIT (based on the comments):

You can try to see if your input fields only have valid characters, by matching it against this (if it matches, it means there are no invalid characters):

$rex = '/^[^<,"@$?=>|;#]+$/i'

You can also do the reverse, that is, test if your input fields have any invalid characters, using the regex provided by chaos:

$rex = '/[<,"@$?=>|;#]/';

This way, if the regex matches, then it means you have invalid characters.