Like Python? I’m trying to check whether each character in a string is an alphanumeric or not?
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Like Python? I’m trying to check whether each character in a string is an alphanumeric or not?
There’s a special character class for this:
That should match a single alphabetic character. It also seems to work for UTF-8.
To test a whole string:
Keep in mind this doesn’t account for spaces or punctuation.