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strlen()
Applies to: ✅ Microsoft Fabric ✅ Azure Data Explorer ✅ Azure Monitor ✅ Microsoft Sentinel
Returns the length, in characters, of the input string.
Note
This function counts Unicode code points.
Syntax
strlen(source)
Learn more about syntax conventions.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| source | string |
✔️ | The string for which to return the length. |
Returns
Returns the length, in characters, of the input string.
Examples
String of letters
print length = strlen("hello")
Output
| length |
|---|
| 5 |
String of letters and symbols
print length = strlen("⒦⒰⒮⒯⒪")
Output
| length |
|---|
| 5 |
String with grapheme
print strlen('Çedilla') // the first character is a grapheme cluster
// that requires 2 code points to represent
Output
| length |
|---|
| 8 |