Valid Domain
Matches a proper domain pattern.
/[^,\s]+\.{1,}[^,\s]{2,}/
Sub-Domain
Returns the sub-domain of a proper domain.
/^([^\.]+\.)/
Valid Domain
Matches a proper domain pattern.
/[^,\s]+\.{1,}[^,\s]{2,}/
Sub-Domain
Returns the sub-domain of a proper domain.
/^([^\.]+\.)/
REGEX – Multiple Emails
Make sure all of the emails in a list of comma separated emails are of the proper pattern. [php]/([a-zA-Z0-9,!#\$%&'\*\+\/=\?\^_`\{\|}~-]+(\.[a-z0-9,!#\$%&'\*\+\/=\?\[/php] ...