Hello koha version 19.11.19 We have bibliographic records with identificator from another system in field 035. This field is indexed as Other-control-number. This identifcators contains numbers and letters When I try to search in koha "as00g2oe", koha returns 30 records, only one has identificator "as00g2oe" in 035. Other records contains only "as00g2o" (without e at the end). It looks like oe is equal with e koha returns records with identificators: as00g2o1, as00g2o2,...,as00g2oe,as00g2of, ...as00g2oz When I try to search "as00g2fe", koha returns only one record. But searching "as00g2f" returns 30 records and every record contains "as00g2f". The issue is only with oe at the end of string What's wrong with koha index? thanks Viliam