[conor_mahony]

May not be for you, however worth noting that a really simple method of improving performance is to persist a guid string representation together with the original string. This doesn’t help with regex type queries of course. -> hashguid:{0x0 sv md5 x}. If the topic is of interest, see https://dataintellect.com/blog/methods-for-storing-text-data-on-disk-in-kdb/