Overpass query to search GB for advertisey descriptions

/*QUERY SEARCHES GB FOR ADVERTISEY DESCRIPTIONS*/
/*Credit to Friendly_Ghost with their https://community.openstreetmap.org/t/seo-spam-in-osm/100424 post for the original Overpass query*/
/*Comments are my rudimentary understanding of the script, and not to be taken as gospel!*/

[out:xml][timeout:90]; /*out:xml outputs data in XML format, not sure if this important? timeout:90 causes the query to fail if it takes longer than 90 seconds.*/

area["name"="Great Britain"]; /*This bit is what allows for searching within a given area rather than bounding box, not entirely sure how Overpass actually parses the name into an area though.*/
(
  nw(area)[description~"(the best|trusted|high-quality|(take|takes) pride|award(-winning| winning)|years of experience|please visit|quintessential|luxurious|% discount|reputation|satisfaction guarantee|(business|market) lead(ing|er)|leading expert|(central|convenient)ly|in the heart of|picturesque|budget|tasteful|successful|comf(y|ort))",i];
  nw(area)[description~"we (believe|strive|offer|welcome|invite|guarantee|assure|ensure|can assure)",i];
  nw(area)[description~"(good|high|best|top|affordable|unique|reliable|great|excellent|beautiful|innovative|decent|friendly|nice|highest|exceptional|personalised|cozy|amazing|superior|delightful|competitive|quality|fair) (quality|price|rates|service|review|product|result|food|design|solution|accommodation|experience|hotel|provider|guid|swimming|brand|studio)",i];
  nw(area)[description~"(join|visit|call|welcome (to|at)|contact|enjoy|experience|accomodate|shop at) (us|our)",i];
  nw(area)[description~"our (staff|customer|solution|problems|philosophy|business|firm|company|guest|service|hospitality|priority)",i];
  nw(area)[description~"(yelp|booking.com|trip(advisor| advisor))",i];
); /*This whole bit in the brackets is a whole bunch of regex jargon I don't fully understand yet, it's written in a way to find advertisement-style descriptions.*/
(._;>;); /*I frankly don't really know what this does, but it seems important.*/
out meta; /*This outputs the actual data, 'meta' seems to define how detailed the data is, 'meta' seems to be necessary if running the script through JOSM.*/