Difference between revisions of "IS STRING()"
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==Products== | ==Products== | ||
| − | + | Lianja, Lianja Server | |
[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Functions]] | [[Category:Functions]] | ||
[[Category:Expressions and Type Conversion]] | [[Category:Expressions and Type Conversion]] | ||
[[Category:Expressions and Type Conversion Functions]] | [[Category:Expressions and Type Conversion Functions]] | ||
Revision as of 13:51, 7 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
