Regular Expressions 101

<sectionthe literal text <section (case sensitive)

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

id="sectionthe literal text id="section (case sensitive)

Character Class[\d]*

*matches any number of characters from the set below:

\da digit

"the literal " (34₁₀ / 42₈ / 22₁₆)

Character Class[\s\S]*?

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

\sany whitespace character

\Sany non-whitespace character

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

section>the literal text section> (case sensitive)

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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Search reference

Regular Expression

<section.*id="section[\d]*"[\s\S]*?<\/section>

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