Solarium (a PHP client for Solr) has a helper method to escape search terms that uses a regex to escape special characters.
https://github.com/solariumphp/solarium/blob/c2744ff706a2f0be148a45d702700fc346429679/src/Core/Query/Helper.php#L82 Thomas Op wo 29 mei 2024 om 16:11 schreef Dmitri Maziuk <dmitri.maz...@gmail.com>: > Hi all, > > our website has a search box that essentially passes its contents to > Solr without any massaging. This works fine 99% of the time, the other > 1% is when a misbehaving bot hits it and tries stuffing all sorts of > crap in there. > > Then bad things happen: Java's overly verbose exception stack traces > fill up the disk faster than the logs are rotated, CPU load spikes, etc. > > So, question: does anyone know of a validator/sanitizer we can use clean > up the terms before passing them on to Solr? -- My google-fu fails to > find one. > > TIA > Dima >