Regular Expressions 101

Group 1([\S]*)

Character Class[\S]*

*matches any number of characters from the set below:

\Sany non-whitespace character

<spanthe literal text <span (case sensitive)

Group 2([^<]*)

Negated Character Class[^<]*

*matches any number of characters outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group 3(.*?)

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

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

span>the literal text span> (case sensitive)

Group 4([\S]*)

Character Class[\S]*

*matches any number of characters from the set below:

\Sany non-whitespace character

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

([\S]*)<span([^<]*)>(.*?)<\/span>([\S]*)

New

<p>Given <span class="label">Butter&#39;s game, the tree counts as more than one input.</p>
<p>Given <span class="label">Butter&#39</span>;s game, the tree counts as more than one input.</p>