FunctX XQuery Function Library > Strings > Trimming and Padding >

functx:left-trim

Trims leading whitespace

Description

The functx:left-trim function removes all whitespace at the beginning of a string. Whitespace is defined as it is in XML, namely as the characters space, tab, carriage return and line feed. If $arg is the empty sequence, it returns a zero-length string.

Arguments and Return Type

XQuery Function Declaration

declare namespace functx = "http://www.functx.com";
declare function functx:left-trim
  ( $arg as xs:string? )  as xs:string {

   replace($arg,'^\s+','')
 } ;

Examples

functx:left-trim('   xyz')

xyz

functx:left-trim('   xyz    x')

xyz    x

functx:left-trim('xyz')

xyz

See Also

History