ISNUMERIC

Use the ISNUMERIC script function to check if the characters of a string are numeric.

Syntax

ISNUMERIC (String)

Parameters

• ISNUMERIC
  
  Checks if a string is numeric

• String
  
  Character string that should be checked
  
  Format: script literal or script variable

Return codes

• Y
  
  The string is numeric

• N
  
  The string is not numeric

Examples

The following two examples supply the return code Y as their result.

:SET &RET#=ISNUMERIC("123")

:PRINT &RET#

:SET &RET#=ISNUMERIC("00123")

:PRINT &RET#

In the following example, the string is not numeric and the return code N is supplied.

:SET &RET#=ISNUMERIC("1abc")

:PRINT &RET#

See also: