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Purpose
This function will check to make sure a string contains only alphabetic characters, or only alphabetic characters and the provided non-alphabetic characters.

Syntax
Code:
$L.success.flag= rtecall ("alpha", $L.return.code, $L.str, $L.chars)
  • $L.success.flag
    true = success
    false = failure
  • $L.return.code
    returncode of the call
  • $L.str
    The string to be checked
  • $L.chars
    An optional comma delimited string of non-alphabetic characters to allow

Example
Code:
$L.str=name in $L.file
$L.chars=" "
$L.success.flag=rtecall("alpha", $L.return.code, $L.str, $L.chars)
When name in $L.file="my name" $L.success.flag will be true.
When name in $L.file="my first name" $L.success.flag will be true.
When name in $L.file="my 1st name" $L.success.flag will be false.