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substring-before Function (Windows CE 5.0)

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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.

stringsubstring-before(string, string)

Parameters

  • string
    A string.
  • string
    A string.

Return Values

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","/")

Requirements

None.

See Also

String Functions

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