Regular Expressions 101

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Regular Expression
PCRE (PHP <7.3)

/
^(?:[a-zA-Z0-9\-\_]++\ *+(?(?=\,)\,+\ *+|$))*+$
/
gm
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Description

Check if a string matches the conditions of being a list of alphanumeric, underscore and minus only strings, separated by commas (which can have spaces on either side).

Submitted by anonymous - 5 years ago