Regular Expressions 101

Pro

Group 1(\*{3}.*?)

\*{3}the literal * (42₁₀ / 52₈ / 2A₁₆) , repeated exactly 3 times

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

Non-Capturing Group(?:\s*\.{3}DONE=>.*)?

?repeats the group contents below at most once:

\s*any whitespace character, repeated any number of times

\.{3}the literal . (46₁₀ / 56₈ / 2E₁₆) , repeated exactly 3 times

DONE=>the literal text DONE=> (case sensitive)

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

Group 2(\*{3})

\*{3}the literal * (42₁₀ / 52₈ / 2A₁₆) , repeated exactly 3 times

$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

(\*{3}.*?)(?:\s*\.{3}DONE=>.*)?(\*{3})$

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