PHP regex to include double backslashes in brackets -


so trying relatively simple php regex check wether string contains 1 of these characters: .,%$@/0123456789 want check wether contains double backslash (i don't want evaluate true if contains 1 backslash) , can't figure out how it. appreciated :)

here using far:

preg_match('/[.,%$@\/0-9]/',$string)

i not sur how include '\\\\' double backslash.

thanks in advance!

you're looking character set or double backslash, right? so:

preg_match('/[.,%$@\/0-9]|\\\\/',$string)

where | means "or".


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