Regular Expressions 101

Pro

\<the literal < (60₁₀ / 74₈ / 3C₁₆)

\!the literal ! (33₁₀ / 41₈ / 21₁₆)

--the literal text --

Character Class[\s\r\n-]*

*matches any number of characters from the set below:

\sany whitespace character

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[\w\r\n-\W]*?

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

\wany word character

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\Wany non-word character

Character Class[\s\r\n-]*

*matches any number of characters from the set below:

\sany whitespace character

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

--the literal text --

\>the literal > (62₁₀ / 76₈ / 3E₁₆)

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

\<\!--[\s\r\n-]*[\w\r\n-\W]*?[\s\r\n-]*--\>

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