The constants in Table A-1 through Table A-6 are built into Microsoft Visual Basic, Scripting Edition (VBScript) and therefore do not need to be defined prior to use. You can use them anywhere in your code to represent the values shown.
Table A-1. String constants
Chr(13) and Chr(10)
Carriage return–linefeed combination
Form feed; not useful in Microsoft Windows
Chr(13) and 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 ...