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about a regex
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From:
Piper H
Date:
January 1, 2022 04:22
Subject:
about a regex
Message ID:
CA+GLnbh-0wPg=bjb40QdtYJ+b4aQqc-cjB4msaTON-Moh79UfA@mail.gmail.com
Hello
I know [a-zA-Z0-9] means words and numbers.
But what's the reverse of this regex?
Thank you.
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