# Matches a diff range
(?m)(?:^\@{2,2})           # Two @s
\s{1,}                     # Whitespace
\-                         # Dash
(?<FromFileLineStart>\d+)  # From
\,                         # Comma
(?<FromFileLineCount>\d+)? # LineCount
\s{1,}                     # Whitespace
\+                         # Plus
(?<ToFileLineEnd>\d+)      # To
\,(?<ToFileLineCount>\d+)? # LineCount
\s{1,}\@{2,2}              # Two More @s
(?<Header>(?:.|\s){0,}?(?=\z|$))?$