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Re:Check If Email Exists by ToFab123 on Thursday July 01, 2021 @10:44PM (#27707379)
100+ is nothing.

This is a regex that validates a string against the RFC822 "Standard for ARPA Internet Text Messages" and it contains 6424 characters.

http://www.ex-parrot.com/~pdw/Mail-RFC822-Address.html

Re:Check If Email Exists by bombcar on Thursday July 01, 2021 @11:03PM (#27707444)
This is a Tony the Pony situation almost.