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(-)a/Koha/SearchEngine/Elasticsearch/QueryBuilder.pm (-1 / +5 lines)
Lines 983-988 sub _query_regex_escape_process { Link Here
983 
            $query =~ s@(?:(?<!\\)(?:((?:[\\]{2})*[\\])|((?:[\\]{2})*))(?=/))(?![^"]*"(?:[^"]*"[^"]*")*[^"]*$)@($1 ? substr($1, 0, -1) : ($2 . "\\"))@ge;
 983 
            $query =~ s@(?:(?<!\\)(?:((?:[\\]{2})*[\\])|((?:[\\]{2})*))(?=/))(?![^"]*"(?:[^"]*"[^"]*")*[^"]*$)@($1 ? substr($1, 0, -1) : ($2 . "\\"))@ge;
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        }
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        }
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    }
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    }
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    # Always escape string starting with double hyphen or hyphen alone

            

            

              988
              
    $query =~ s@^--@\\--@;

            

            

              989
              
    $query =~ s@^-$@\\-@;

            

            

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    return $query;

          991
          
    return $query;

        

        

          987
          
}

          992
          
}

        

        

          988
          

          993
          

        

            

              989
              
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