Regular Expressions 101

<span question_number="the literal text <span question_number=" (case sensitive)

Group 1(\d+)

\d+a digit, repeated at least once

">the literal text ">

Group 2(.*?)

.*?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)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

<span question_number="(\d+)">(.*?)<\/span>

New

<span question_number="54">often graces doorways tied into ropes called</span>
<span question_number="55">Allow retracting flags on deleted posts even if you can't view deleted posts</span>
<span question_number="56">Multiple accepted answer to a question?</span><span question_number="57">Post-edit by 3rd party editor created errors, and 3 out of 4 editors approved</span>