$indexOfBytes
Reference group: String aggregation expressions
What it does
Returns byte index of a substring.
Syntax
{$indexOfBytes: [string, substring, start?, end?]}
Use case
Parse byte-oriented formats.
$indexOfBytes: practical example
{ $project: { at: { $indexOfBytes: ["$code", "-"] } } }💡 Explanation
Returns byte index of a substring.
When to use it
Parse byte-oriented formats.
Key Takeaways
- Returns byte index of a substring.
- Typical use: Parse byte-oriented formats.