Regular Expressions 101

Positive Lookbehind(?<=(\w\w:)|(\w:))

1st Alternative(\w\w:)

Group 1(\w\w:)

\wany word character

:the literal : (58₁₀ / 72₈ / 3A₁₆)

2nd Alternative(\w:)

Group 2(\w:)

\wany word character

:the literal : (58₁₀ / 72₈ / 3A₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

Group 3(.*\n?)

.*any character (except for line terminators), repeated any number of times

\n?optionally matches a line-feed (newline) character (ASCII 10)

\1?optionally matches the text saved by group 1

\2?optionally matches the text saved by group 2

Global pattern flags

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?<=(\w\w:)|(\w:)) (.*\n?)\1?\2?

New

a: 1, 2, 3
a: a, b, v
b: 5, 6, 7
b: 10, 1543, 1345
b: e, fe, sdf
cd: asdf, asdfas dfasdfa,asdfasdfa,afdsfa sdf
e1: asdfas, dafasd, adsf, asdfasd
e1: 1, 3, 2
e1: 9, 8, 7, 6

Regular Expression

Extraction