[Koha-bugs] [Bug 20334] New: Option for escaping slashes in search queries

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=20334

            Bug ID: 20334
           Summary: Option for escaping slashes in search queries
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5 - low
         Component: Searching - Elasticsearch
          Assignee: koha-bugs at lists.koha-community.org
          Reporter: glasklas at gmail.com

There are a number of reserved characters in the Elasticsearch query syntax (+
- = && || > < ! ( ) { } [ ] ^ " ~ * ? : \ /). Slash (/), which is used for
regexps, is quite often used in searches with the intent as it should be
interpreted as a literal sting. This causes the search to crash since
Elasticsearch treats this as an unclosed regular expression (or a regexp if two
slashes are used which can be even more confusing). To address this particular
case here is a patch with an option to escape slashes (or require them to be
escaped to count as a regular expression delimiter).

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