Regexp for valid ip address

Hi,

Here is a fairly short regular expression you can use to match valid IPV4 IP addresses:
/^(((25[0-4])|(2[0-4][0-9])|(1?[0-9]?[0-9]))\.){3}((25[0-4])|(2[0-4][0-9])|(1?[0-9]?[0-9]))$/

Good luck!

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Tags: IPV4, perl, php, regexp, regular expressions, sysadmin

This entry was posted on May 10, 2009 at May 10, 2009 and is filed under Uncategorized. You can follow any responses to this entry through the RSS 2.0 feed.