Regular Expressions 101

catid=the literal text catid= (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)

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

catid=([0-9]+)

New

meine-domian.de/index.php?option=com_content&view=article&id=3045:artikel-alias&catid=396&Itemid=223&lang=de