https://bugs.kde.org/show_bug.cgi?id=523733
Bug ID: 523733
Summary: Replace All with certain regex hangs Kate for a very
long time (sed finishes in <1 s)
Classification: Applications
Product: kate
Version First 26.04.2
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: kwrite
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
DESCRIPTION
When performing a “Replace All” operation with a specific regular expression on
the attached file, Kate becomes unresponsive for an extremely long time. The
same replacement performed with `sed` completes in a fraction of a second.
STEPS TO REPRODUCE
1. Open the attached file in Kwrite.
2. Open the Find/Replace dialog.
3. Enable “Regular expression”.
4. Enter the following search pattern:
```
.*ها\s\d*\n
```
5. Click "Replace All".
ACTUAL BEHAVIOUR
Kwrite freezes/becomes unresponsive for a very long time.
EXPECTED BEHAVIOUR
The replacement should complete almost instantly (as it does with `sed`)
SOFTWARE/OS VERSIONS
Operating System: Linux
KDE Plasma Version: 6.7.2
KDE Frameworks Version: 6.27.0
Qt Version: 6.11.1
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