Overview

Field operators provide precise control over how individual fields are matched. Use these when simple value matching doesn’t meet your needs.

Quick Reference

Operator	Supported Field Types	Description	Example
$smart	all	Intelligent multi-stage matching (default behavior)	{"name": {"$smart": "wireless"}}
$eq	all	Exact equality	{"status": {"$eq": "active"}}
$in	all	Match any of multiple values	{"status": {"$in": ["active", "pending"]}}
$gt, $gte, $lt, $lte	numeric, date, keyword	Range comparison	{"price": {"$gt": 10, "$lt": 100}}
$phrase	text	Phrase matching with optional slop and prefix	{"text": {"$phrase": {"query": "hello world", "slop": 1}}}
$fuzzy	text	Typo-tolerant matching (Levenshtein distance)	{"name": {"$fuzzy": {"term": "wireles", "distance": 1}}}
$regex	text	Regular expression pattern matching	{"name": {"$regex": "wire.*"}}
$boost	modifier (on any operator)	Adjust relevance score weight	{"name": {"$eq": "wireless", "$boost": 2.0}}