Text index
Text indexes in MongoDB are to find the specified text from the string content. Text indexes should be either a string or an array of string elements.
When you perform a text search query always remember that your collection must contain a text index and a collection can only contain one text index but this single text index covers multiple fields.
To create a text index in MongoDB use the createIndex() method.
Syntax
The syntax to use the MongoDB createIndex() method is:
db.collectionName.createIndex( { field: “text” } )
MongoDB Text Search
MongoDB Text Search technique finds a piece of text or a specified word from the string fields. It enables users to search for specific words or phrases within text fields efficiently.
The text index and $text operator perform text search in MongoDB, providing a powerful way to search for textual data in MongoDB collections.