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Purpose
This function checks to make sure a string contains only alphabetic, numeric, or the provided non-alphabetic characters.

Syntax
Code:
$L.success.flag= rtecall ("alnum", $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-numeric characters to allow

Example
Code:
$L.str=phone in $L.file
$L.chars=" , (, ), -"
$L.success.flag=rtecall("alnum", $L.return.code, $L.str, $L.chars)
When phone in $L.file="(508) 362.2701" $L.success.flag will be false.
When phone in $L.file="(508) 362-2701" $L.success.flag will be true.