MidiaWiki:Wikieditor-toolbar-tool-replace-invalidregex

O sị testwiki

Gaa na nsoroụzọ Malie na ịchọọ

The regular expression you entered is invalid: $1

Ewepụtara na https://ig.wiki.beta.math.wmflabs.org/wiki/MidiaWiki:Wikieditor-toolbar-tool-replace-invalidregex