Regular Expressions 101

Pro

172the literal text 172

Non-Capturing Group(?:\.\d{1,3}){3}

{3}repeats the group contents below exactly 3 times:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d{1,3}a Unicode decimal digit, repeated between 1 and 3 times

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

172(?:\.\d{1,3}){3}

New

ABCDEFGHIJKLMNOPRST172.12.65.10RSTUVYZ
ASDG172.56.23.14FSDGHSFSDFDSFHSF
!'^%%&!'+!'+^%&!ÂSDBSDF172.23.23.23SADASFSA
ASGFGD 172.12.23.56 ASDSAFASFDASSADSA

Extraction

ABCDEFGHIJKLMNOPRST172.12.65.10RSTUVYZ
ASDG172.56.23.14FSDGHSFSDFDSFHSF
!'^%%&!'+!'+^%&!ÂSDBSDF172.23.23.23SADASFSA
ASGFGD 172.12.23.56 ASDSAFASFDASSADSA