$trim
Reference group: String aggregation expressions
What it does
Removes whitespace or specified characters from both ends.
Syntax
{$trim: { input, chars? }}
Use case
Clean imported values.
$trim: practical example
{ $project: { clean: { $trim: { input: "$name" } } } }💡 Explanation
Removes whitespace or specified characters from both ends.
When to use it
Clean imported values.
Key Takeaways
- Removes whitespace or specified characters from both ends.
- Typical use: Clean imported values.