[Koha-bugs] [Bug 10131] System preference search doesn't work for search terms starting with *

[bugzilla-daemon at bugs.koha-community.org]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=10131

M. Tompsett <mtompset at hotmail.com> changed:

           What    |Removed                     |Added
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  Attachment #37825|0                           |1
        is obsolete|                            |

--- Comment #6 from M. Tompsett <mtompset at hotmail.com> ---
Created attachment 37826
  -->
http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=37826&action=edit
Bug 10131: Add a fallback if the pref search is not a valid regex

It's possible to search prefs using a regex.
But it the regex is not correctly written, the app explodes.
We should provide a fallback.

Test plan:
0/ Does not apply the patch
1/ Search for sysprefs with "notes.*", note the number of results
2/ Search for *notes*, boom
3/ Apply the patch
4/ Repeat 1 and confirm you get the same number of results
5/ Repeat 2 and confirm you don't get the error anymore

NOTE: As noted on comment #4, the kaboom is because of the
      leading * and not the following *, because 's*' is a valid
      regular expression, while '*n' is not.

Signed-off-by: Mark Tompsett <mtompset at hotmail.com>

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