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: