Regular Expressions 101

Explanation

Pro

Positive Lookbehind(?<=#)

#the literal # (35₁₀ / 43₈ / 23₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

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

\ban ASCII word boundary

to-cleanupthe literal text to-cleanup (case sensitive)

\ban ASCII word boundary

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

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25 tokens

(?<=#) .*\bto-cleanup\b.*

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