Regular Expressions 101

Non-Capturing Group(?:\G(?!^)|!)

1st Alternative\G(?!^)

\Gstart of current search

Negative Lookahead(?!^)

^start of string

2nd Alternative!

!the literal ! (33₁₀ / 41₈ / 21₁₆)

Non-Capturing Group(?:[^:\n]*:)+?

+?repeats the group contents below at least once:

Negated Character Class[^:\n]*

*matches any number of characters outside the set below:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\na line-feed (newline) character (ASCII 10)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match

\d{6}a digit, repeated exactly 6 times

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

(?:\G(?!^)|!)(?:[^:\n]*:)+?\K\d{6}

New

:123456
23/06/2021!06:31:00!872701!4125:063100,4143,101,207,225,229,303,325,329,441:252222
:123456
abcdef:123456
23/06/2021!06:31:00!872701!4125:063100,4143,101,207,225,229,303,325,329,441:252222