Regular Expressions 101

Explanation
Pro

^start of line

Group 1(\t*)

\t*a tab character (ASCII 9), repeated any number of times

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 2(.*?)

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

Group 3((@\w+$(.*)$)*)

Group 4(@\w+$(.*)$)*

*repeats the group contents below any number of times:

@the literal @ (64₁₀ / 100₈ / 40₁₆)

\w+a Unicode word character, repeated at least once

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 5(.*)

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

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

$end of line

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

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25 tokens

^(\t*)-(.*?)((@\w+\((.*)\))*)$

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