Regular Expressions 101

Pro

Group 1(\w*)

\w*any word character, repeated any number of times

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Group 2((\w*\|\w*#{0,1})*)

Group 3(\w*\|\w*#{0,1})*

*repeats the group contents below any number of times:

\w*any word character, repeated any number of times

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

\w*any word character, repeated any number of times

#{0,1}optionally matches the literal # (35₁₀ / 43₈ / 23₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

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25 tokens

(\w*)@((\w*\|\w*#{0,1})*)

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