Since these constants are built into VBScript, you don't have to define them before using them. Use them anywhere in your code to represent the values shown for each.
Chr(13) & Chr(10)
Carriage return–linefeed combination.
Form feed; not useful in Microsoft Windows.
Chr(13) & Chr(10) or Chr(10)
Platform-specific newline character; whatever is appropriate for the platform.
Character having the value 0.
String having value 0
Not the same as a zero-length string (""); used for calling external procedures.
Vertical tab; not useful in Microsoft Windows.