Web19 apr. 2024 · I am trying to use the MongoDB Aggregation pipeline to pull items from one collection, check a string (a url), extract a substring from that, then check in a second … Web24 jul. 2016 · The best you can do is create the $lookup pipeline dynamically i.e. get the actual pid substring value and use that when creating the pipeline before running it. – …

regex - Extracting a list of substrings from MongoDB using a …

Web31 mei 2013 · As of version 2.4, you can create a text index on the field(s) to search and use the $text operator for querying. First, create the index: db.users.createIndex( { … Web30 jun. 2013 · In my mongodb collection, ... Connect and share knowledge within a single location that is structured and easy to search. ... Match with substring in mongodb … great marlborough street soho

Solved: Finding a substring within a string - Alteryx Community

Web29 mei 2024 · Search engine implemented with Java including: web crawling, indexing and ranking and the interaction between them. - Search_Engine/mongoDB.java at main · asmaaadel0 ... WebSo, I'm using mongodb and trying to do a search for a substring in a key, if any document contains the substring it should return the document withing the query. This is what im … Web25 mei 2014 · 1 Answer Sorted by: 5 To achieve this you should use the $regex MongoDB operator: // Without options db.collection.find ( {num: /1234 5678/i}); // Separate options property db.collection.find ( {num: {$regex: /1234 5678/, $options: 'i'}}); To add multiple terms in the regex, use the operator $regex docs and examples Edit: great mares tail waterfall