Regular Expressions 101

Community Patterns

Valid domain Check

0

Regular Expression
PCRE2 (PHP >=7.3)

/
^(((?!\-))(xn\-\-)?[a-z0-9\-_]{0,61}[a-z0-9]{1,1}\.)*(xn\-\-)?([a-z0-9\-]{1,61}|[a-z0-9\-]{1,30})\.[a-z]{2,}$
/
gm

Description

Valid domain check, includes multibyte character check.

Submitted by anonymous - 2 years ago