Regular Expressions 101

1st Alternative(\d\d\:\d\d)

Group 1(\d\d\:\d\d)

\da digit

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

\da digit

2nd Alternative\:

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

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.

Search reference

Regular Expression

(\d\d\:\d\d)|\:

New

TEST:ABCDEGF:18:32:aa:12

$1