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substring-before Function

A version of this page is also available for

Windows Embedded CE 6.0 R3

4/8/2010

Returns the substring of the first argument string that precedes the first occurrence of the second argument string in the first argument string, or the empty string if the first argument string does not contain the second argument string.

Syntax

            string substring-before(string, string)

Parameters

  • string
    A string.
  • string
    A string.

Return Value

Returns the substring of the first argument string that precedes the first occurrence of the second argument string in the first argument string, or the empty string if the first argument string does not contain the second argument string.

Remarks

If an argument is not of type string, it is first converted to a string and then evaluated.

The following function call returns "1999".

substring-before("1999/04/01","/")

See Also

Reference

XPath String Functions