Domain Name Regex List

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Domain Name Regex List. A regular expression to extract domain or host names from email addresses for smtpd client restrictions in Postfix. The above regex captures.

Tip Of The Day How To Extract Domain Names From Email Addresses Using Regular Expressions Regex Cloud Insidr
Tip Of The Day How To Extract Domain Names From Email Addresses Using Regular Expressions Regex Cloud Insidr from www.cloudinsidr.com

1 It allows usernames with 1 or 2 alphanum characters or 3 chars can have -_ in the middle. The domain name is then followed by a period. The regular expression For domain names.

LEFT B4 FIND B4 9-1 Author.

The domain name is then followed by a period. The above regular expression matches domain names up to 255 characters long with one or more labels up to 63 characters long separated by dots and with a top-level domain of 2 to 63 characters. LEFT B4 FIND B4 9-1 Author. Suppose we need a quick way to get the domain name of the email addresses.