Regular Expressions 101

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

pg=the literal text pg= (case sensitive)

Group 1([0-9]+)

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

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

\?pg=([0-9]+)

New

<a href="/?pg=2">test</a>
<a href="/?pg=999">another</a>