Difference between revisions of "IS STRING()"
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Revision as of 07:31, 10 December 2012
Purpose
Function to check whether an expression is a character string
Syntax
IS_STRING(<exp>)
See Also
IS_ARRAY(), IS_FLOAT(), IS_INT(), IS_OBJECT(), ISALPHA(), ISDIGIT(), ISLOWER(), ISUPPER(), LOCAL, PRIVATE, PUBLIC, RELEASE, RESTORE, SAVE, TYPE()
Description
The IS_STRING() function returns .T. (true) if the specified expression is a character string value, otherwise .F. (false).
Example
cVAR = "Hello" ? is_string(cVAR) .T. ? is_string("World") .T. ? is_string(tostring(date())) .T.
Products
Lianja, Lianja Server
