Please enable JavaScript to use regex101
/
^
r
e
g
e
x
[
\
-
_
]
?
1
0
1
$
/
i
Reg
ular
Ex
pressions
101
Upgrade to Pro
Enterprise
Regular Expression
/
^(?!\.)((^|\.)([1-9]?\d|1\d\d|2(5[0-5]|[0-4]\d))){4}$
/
gm
Input 1
1
New
115.42.150.37 192.168.0.1 110.234.52.124 01.01.01.01 1.1.1.01 123123123213 210.110 255 y.y.y.y 255.0.0.y 666.10.10.20 4444.11.11.11 33.3333.33.3 365.1.1.1 123.123.123.123.123 .123.123.123.123 123.123.123.123. 1.2.3.256 1.2.260.1 1.333.1.1
Extraction
115.42.150.37 192.168.0.1 110.234.52.124 01.01.01.01 1.1.1.01 123123123213 210.110 255 y.y.y.y 255.0.0.y 666.10.10.20 4444.11.11.11 33.3333.33.3 365.1.1.1 123.123.123.123.123 .123.123.123.123 123.123.123.123. 1.2.3.256 1.2.260.1 1.333.1.1