Regular Expressions 101

1st Alternative\/\*\*?\s*([\W\w]*?)\s*\*\/

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

\*?optionally matches the literal * (42₁₀ / 52₈ / 2A₁₆)

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

Group 1([\W\w]*?)

Character Class[\W\w]*?

*?matches any number of characters from the set below:

\Wany non-word character

\wany word character

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

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

2nd Alternative\/\/\s*(.*)$

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

Group 2(.*)

.*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

No unit tests · Add a test to get started

26 tokens

Regular Expression

\/\*\*?\s*([\W\w]*?)\s*\*\/|\/\/\s*(.*)$

There are no unit tests, click to add some.