[Libreoffice-bugs] [Bug 136436] New: Sanitizing a large document is extremely slow (20 seconds with 4.4.7.2 240 seconds with 7.1)

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=136436

            Bug ID: 136436
           Summary: Sanitizing a large document is extremely slow (20
                    seconds with 4.4.7.2 240 seconds with 7.1)
           Product: LibreOffice
           Version: 5.0.0.5 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Writer
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: telesto at surfxs.nl

Description:
Sanitizing a large document is extremely slow (20 seconds with 4.4.7.2 240
seconds with 7.1)

Steps to Reproduce:
1. Open the attached file
2. CTRL+H
3. In the Search for field put ([bcdfghjklmnpqrstvwyz])
4. Check Match Case below the Search for field
5.In the Replace with field put "x"
7. Make sure Whole words only is unchecked
8. Make sure Regular expressions is checked.
9. Click Replace All

Actual Results:
240 seconds

Expected Results:
20 seconds


Reproducible: Always


User Profile Reset: No



Additional Info:
Found in
7.1

and in
Version: 5.2.5.0.0+
Build ID: a4d4fbeb623013f6377b30711ceedb38ea4b49f8
CPU Threads: 4; OS Version: Windows 6.2; UI Render: default; 
TinderBox: Win-x86 at 62-merge-TDF, Branch:libreoffice-5-2, Time:
2016-12-24_14:43:55
Locale: nl-NL (nl_NL); Calc: group

and in
5.0.6.3

not in
4.4.7.2

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