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Php function to determine if a string consist of only alphanumerical characters?

Tags:

string

php

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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Robert Gould Avatar asked Nov 19 '25 22:11

Robert Gould

1 Answers

Try ctype_alnum

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