Regular Expressions 101

Library entries

IPv4 private CIDR range RFC1918

Vote

1

Regular Expression
golang

`
^(10(\.(([0-9]?[0-9])|(1[0-9]?[0-9])|(2[0-4]?[0-9])|(25[0-5]))){3}/([8-9]|(1[0-9])|(2[0-9])|(3[0-1])))|(172\.((1[6-9])|(2[0-9])(3[0-1]))(\.(([0-9]?[0-9])|(1[0-9]?[0-9])|(2[0-4]?[0-9])|(25[0-5]))){2}/((1[2-9])|(2[0-9])|(3[0-1])))|(192\.168(\.(([0-9]?[0-9])|(1[0-9]?[0-9])|(2[0-4]?[0-9])|(25[0-5]))){2}/((1[6-9])|(2[0-9])|(3[0-1])))|(127(\.(([0-9]?[0-9])|(1[0-9]?[0-9])|(2[0-4]?[0-9])|(25[0-5]))){3}/([8-9]|(1[0-9])|(2[0-9])|(3[0-1])))$
`
gm

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Submitted by David Stockton - 2 years ago