---
name: "string/length"
module: "strings"
section: "Scheme Compatibility Aliases"
aliases: ["string-length"]
---
Return the number of characters in a string.
```sema
(string/length "hello") ; => 5
(string/length "") ; => 0
(string/length "héllo") ; => 5
(string/length "日本語") ; => 3
```