Is there a Php function to determine if a string consist of only ASCII alphanumerical characters?
Note: I’m sorry if the question sounds dumb to some, but I couldn’t easily find such a function in the Php manual.
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Is there a Php function to determine if a string consist of only ASCII alphanumerical characters?
Note: I’m sorry if the question sounds dumb to some, but I couldn’t easily find such a function in the Php manual.
Try ctype_alnum