
fn:lower-case( $string as xs:string? ) as xs:string
Returns the specified string converting all of the characters to lower-case characters. If a character does not have a corresponding lower-case character, then the original character is returned. The lower-case characters are determined using the Unicode Case Mappings.
| Parameters | |
|---|---|
| string | The string to convert. |
fn:lower-case("aBCD")
=> abcd