how to make a regular expression to accept only alphanumeric characters, accents, Asian and

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Editorial Team

Asked: May 22, 20262026-05-22T21:50:05+00:00 2026-05-22T21:50:05+00:00

how to make a regular expression to accept only alphanumeric characters, accents, Asian and Arab?

accept: á í ó ú is 個の Д

deny: /'.

thanks

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Editorial Team · Answer 1 · 2026-05-22T21:50:06+00:00

Editorial Team

You can use Unicode character classes to pick and choose.

Not sure, but I guess in your case that would be:

 preg_match('/^[\p{Latin}\p{Han}\p{Arabic}]+$/u'

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