Var = "C:\Program Files\OpenOffice.org 3\program\swriter.exe" "-o" "C:\((\Документ Microsoft Word.rtf" "-writer" "-env:OOO_CWD=2C:\\Windows\\system32"

Var := RegExReplace(Var, """", "`n")
Var := RegExReplace(Var, "\\\\", "\")
Var := RegExReplace(Var, "([A-Za-z]:\\)", "`n$1")
Var := RegExReplace(Var, "m`a)^(?!\w:).+") ; удал. не начинающиеся на \w:\
Var := RegExReplace(Var, "\R+\s*", "`n")   ; удал. пуст. строки
MsgBox % Var