$ltrim
Reference group: String aggregation expressions
What it does
Removes specified characters from the beginning.
Syntax
{$ltrim: { input, chars? }}
Use case
Remove leading padding.
$ltrim: practical example
{ $project: { clean: { $ltrim: { input: "$rawCode" } } } }💡 Explanation
Removes specified characters from the beginning.
When to use it
Remove leading padding.
Key Takeaways
- Removes specified characters from the beginning.
- Typical use: Remove leading padding.