Regular Expressions 101

Pro

^start of line

Negative Lookahead(?!(.*?\*){2,}|.*? |\*$)

1st Alternative(.*?\*){2,}

Group 1(.*?\*){2,}

{2,}repeats the group contents below at least 2 times:

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

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

2nd Alternative.*?

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

the literal (32₁₀ / 40₈ / 20₁₆)

3rd Alternative\*$

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

$end of line

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

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

.*any character (except for line terminators), repeated any number of 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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26 tokens

^(?!(.*?\*){2,}|.*? |\*$).*?\*.*$

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