Difference between revisions of "ISDIGIT()"

From Lianjapedia
Jump to: navigation, search
 
(2 intermediate revisions by 2 users not shown)
Line 6: Line 6:
  
 
==See Also==
 
==See Also==
[[ISALPHA()]], [[ISLOWER()]], [[ISUPPER()]]
+
[[ISALPHA()]], [[ISLOWER()]], [[ISUPPER()]], [[STR_SIZE()]]
  
 
==Description==
 
==Description==
Line 19: Line 19:
 
</code>
 
</code>
  
==Products==
 
Lianja, Lianja Server
 
 
[[Category:Documentation]]
 
[[Category:Documentation]]
 
[[Category:Functions]]
 
[[Category:Functions]]
 +
[[Category:Formatting Functions]]
 
[[Category:String Data Functions]]
 
[[Category:String Data Functions]]
[[Category:Expressions and Type Conversion]]
 
[[Category:Expressions and Type Conversion Functions]]
 
 
[[Category:Lianja VFP Extensions]]
 
[[Category:Lianja VFP Extensions]]
 
[[Category:VFP Function Extensions]]
 
[[Category:VFP Function Extensions]]

Latest revision as of 04:42, 29 April 2020

Purpose

Function to check to see if the first character in a given character expression is a digit

Syntax

ISDIGIT(<expC>)

See Also

ISALPHA(), ISLOWER(), ISUPPER(), STR_SIZE()

Description

The ISDIGIT() function will return .T. if the first character of the given character expression is a value within the range of 0 to 9, and .F. otherwise.

Example

? isdigit("9 Belmont Ave")
.T.
? isdigit("Nine Belmont Ave")
.F.