Regular Expressions 101

Library entries

IPv4 mask

Vote

0

Regular Expression
pcre2

/
^(?:(?:255\.){3}(2(?:5[542]|4[80]|24)|192|128|0)|(?:255\.){2}(?1)(?:\.0)|255\.(?1)(?:\.0){2}|(?1)(?:\.0){3})$
/
gm

Description

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Submitted by Piwi - 9 days ago