Regular Expressions 101

Community Patterns

TCP/UDP port number

0

Regular Expression
PCRE (PHP <7.3)

/
^(([1-9]\d{0,3}|[1-5]\d{4}|6[0-4]\d{3}|65[0-4]\d{2}|655[0-2]\d|6553[0-5]))$
/

Description

validates TCP/UDP port number (1..65535)

Submitted by sanchox - 9 years ago