Difference between revisions of "ISALPHA()"

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==Purpose==
 
==Purpose==
 
Function to test for an alphabetic character
 
Function to test for an alphabetic character
 
  
 
==Syntax==
 
==Syntax==
 
ISALPHA(<expC>)
 
ISALPHA(<expC>)
 
  
 
==See Also==
 
==See Also==
 
[[ISDIGIT()]], [[ISLOWER()]], [[ISUPPER()]], [[LOWER()]], [[UPPER()]]
 
[[ISDIGIT()]], [[ISLOWER()]], [[ISUPPER()]], [[LOWER()]], [[UPPER()]]
 
  
 
==Description==
 
==Description==
 
The ISALPHA() function returns .T. if the first character of the character expression <expC> is alphabetic (i.e. lies within A-Z or a-z).
 
The ISALPHA() function returns .T. if the first character of the character expression <expC> is alphabetic (i.e. lies within A-Z or a-z).
 
  
 
==Example==
 
==Example==
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endif
 
endif
 
</code>
 
</code>
 
  
 
==Products==
 
==Products==

Revision as of 12:52, 11 December 2012

Purpose

Function to test for an alphabetic character

Syntax

ISALPHA(<expC>)

See Also

ISDIGIT(), ISLOWER(), ISUPPER(), LOWER(), UPPER()

Description

The ISALPHA() function returns .T. if the first character of the character expression <expC> is alphabetic (i.e. lies within A-Z or a-z).

Example

store "965.23" to value
// If alpha assign 0
if isalpha(m->value)
    value = 0
else
    // convert to numeric
    value = val(m->value)
endif

Products

Lianja, Lianja Server