$regexMatch
Reference group: String aggregation expressions
What it does
Returns a boolean for a regex match.
Syntax
{$regexMatch: { input, regex, options? }}
Use case
Classify or validate strings.
$regexMatch: practical example
{ $project: { validSku: { $regexMatch: { input: "$sku", regex: "^KB-[0-9]+$" } } } }💡 Explanation
Returns a boolean for a regex match.
When to use it
Classify or validate strings.
Key Takeaways
- Returns a boolean for a regex match.
- Typical use: Classify or validate strings.