Difference between revisions of "IS NUMERIC()"

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==Purpose==
 
==Purpose==
 
Function to check whether an expression is numeric
 
Function to check whether an expression is numeric
 
  
 
==Syntax==
 
==Syntax==
 
IS_NUMERIC(<exp>)
 
IS_NUMERIC(<exp>)
 
  
 
==See Also==
 
==See Also==
 
[[IS_ARRAY()]], [[IS_DATE()]], [[IS_FLOAT()]], [[IS_INT()]], [[IS_LOGICAL()]], [[IS_OBJECT()]], [[IS_STRING()]], [[ISALPHA()]], [[ISDIGIT()]], [[ISLOWER()]], [[ISUPPER()]], [[LOCAL]], [[PRIVATE]], [[PUBLIC]], [[RELEASE]], [[RESTORE]], [[SAVE]], [[TYPE()]]
 
[[IS_ARRAY()]], [[IS_DATE()]], [[IS_FLOAT()]], [[IS_INT()]], [[IS_LOGICAL()]], [[IS_OBJECT()]], [[IS_STRING()]], [[ISALPHA()]], [[ISDIGIT()]], [[ISLOWER()]], [[ISUPPER()]], [[LOCAL]], [[PRIVATE]], [[PUBLIC]], [[RELEASE]], [[RESTORE]], [[SAVE]], [[TYPE()]]
 
  
 
==Description==
 
==Description==
 
The IS_NUMERIC() function returns .T. (true) if the specified expression is a numeric value, otherwise .F. (false).
 
The IS_NUMERIC() function returns .T. (true) if the specified expression is a numeric value, otherwise .F. (false).
 
  
 
==Example==
 
==Example==
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.T.
 
.T.
 
</code>
 
</code>
 
  
 
==Products==
 
==Products==
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[[Category:Documentation]]
 
[[Category:Documentation]]
 
[[Category:Functions]]
 
[[Category:Functions]]
[[Category:Expressions and Type Conversion]]
+
[[Category:Formatting Functions]]
[[Category:Expressions and Type Conversion Functions]]
+
[[Category:Lianja VFP Extensions]]
 +
[[Category:VFP Function Extensions]]

Latest revision as of 08:13, 4 February 2013

Purpose

Function to check whether an expression is numeric

Syntax

IS_NUMERIC(<exp>)

See Also

IS_ARRAY(), IS_DATE(), IS_FLOAT(), IS_INT(), IS_LOGICAL(), IS_OBJECT(), IS_STRING(), ISALPHA(), ISDIGIT(), ISLOWER(), ISUPPER(), LOCAL, PRIVATE, PUBLIC, RELEASE, RESTORE, SAVE, TYPE()

Description

The IS_NUMERIC() function returns .T. (true) if the specified expression is a numeric value, otherwise .F. (false).

Example

? is_numeric(1)
.T.
? numeric(1.23)
.T.
? is_numeric(-1)
.T.
? is_numeric(2.2 ** 3)
.T.

Products

Lianja, Lianja Server