https://bugs.kde.org/show_bug.cgi?id=499234
Bug ID: 499234
Summary: Problem with The Regular Expression for The Lookback
Function (?<=pattern)
Classification: Applications
Product: krename
Version: 5.0.1
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
I have a file with the filename:
00 0000 00.txt
(1) For Find and Replace,
I can type, the lookahaed function:
Find = \s(?=\d(4})
Replace = X
So that, when I select "Okay",
The Proposed Filename correctly appears:
00X0000 00.txt
(2) For Find and Replace,
I can type, the lookback function:
Find = (?<=\d(4})\s
Replace = X
However, when I select "Okay",
The Proposed Filename incorrectly appears:
00 0000 00.txt
When, the correct result would be:
00 0000X00.txt
STEPS TO REPRODUCE
OBSERVED RESULT
The lookback function appears to not work.
I have tested the lookahead and lookback functions, several times.
The lookahead function always works.
The lookback function never works.
Please Help.
EXPECTED RESULT
SOFTWARE/OS VERSIONS
Xubuntu 22.04 LTS
ADDITIONAL INFORMATION
7am Tuesday 28 2025.
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