I want to make sure it ONLY has a-z, A-Z and 0 to 9

Your description is at odds with the example you gave. The string "hello world" contains a space - which is not an alphanumeric character, and not part of the character class [a-zA-Z0-9]

Cheers,
Rob

In reply to Re: check if string contains anything other than alphanumeric by syphilis
in thread check if string contains anything other than alphanumeric by Anonymous Monk

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