$substrCP
Reference group: String aggregation expressions
What it does
Extracts by Unicode code-point positions.
Syntax
{$substrCP: [string, start, count]}
Use case
Create text previews.
$substrCP: practical example
{ $project: { preview: { $substrCP: ["$description", 0, 80] } } }💡 Explanation
Extracts by Unicode code-point positions.
When to use it
Create text previews.
Key Takeaways
- Extracts by Unicode code-point positions.
- Typical use: Create text previews.