https://bugzilla.wikimedia.org/show_bug.cgi?id=48614
Web browser: ---
Bug ID: 48614
Summary: Search and replace not working for lookahead
Product: MediaWiki
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Unprioritized
Component: Page editing
Assignee: [email protected]
Reporter: [email protected]
Classification: Unclassified
Mobile Platform: ---
I have recently started using the regex feature in the Edit Toolbar's Search
and Replace.
I have been unable to get a regex using a lookahead to successfully replace the
text. As an example, here -
http://en.wikipedia.org/w/index.php?title=User:Sillyfolkboy/Resources/Ath_Sandbox_1&action=edit
Using "\d (?=\w)" successfully finds all the lines starting with a digit and
three spaces (followed by a letter). When I click "replace all" I'm told that
123 replacements have been made, but no text is replaced. Clicking find next,
then replace all tells me that 123 replacements have been made again. The
replace function seems to fail when a lookaround is included in the search.
This may be just a learning issue for myself given the lack of documentation
(see https://bugzilla.wikimedia.org/show_bug.cgi?id=23626) but what I'm doing
works on http://www.regextester.com/ which ostensibly should be doing the same
thing as Wikipedia's search and replace.
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