IS STRING()

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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

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