Regular Expressions 101

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"
^([0-9]{1,3}\.){3}[0-9]{1,3}(\/([0-9]|[1-2][0-9]|3[0-2]))?$
"
gm

Description
Created·2021-11-04 17:58
Type·Match
Flavor·Java

subnet cidr check example 192.168.1.0/30

Submitted by Di
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