Regular Expressions 101

Explanation

Pro

(?m)applies the following effective flags to the remainder of the pattern: gm

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

^start of line

Group 1(\[Unit\].*)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Unitthe literal text Unit (case sensitive)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

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

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

Group 2(\[Diag].*(?:\n\h*\S.*)*)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Diag]the literal text Diag] (case sensitive)

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

Non-Capturing Group(?:\n\h*\S.*)*

*repeats the group contents below any number of times:

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

\h*any horizontal whitespace character, repeated any number of times

\Sany non-whitespace character

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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

(?m)^(\[Unit\].*)\n(\[Diag].*(?:\n\h*\S.*)*)

New

[Unit] = 
[Diag] = Nilan zok-98
Alert danger C-00N47

[Unit] = 17B NORWAY 
[Diag] = Mobari-testing-17-AB
Pair num to get 17-9881 to be testing
Class nump

[Unit] = 
[Diag] = BLOC1