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wildcard_matching.md

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Matching rules

  • An empty pattern "" will match any signal.
  • A pattern without any asterisk - a path in other words - matches either a signal directly or any signal that is a direct or indirect child of the branch with that path.
  • An asterisk "*" at the end of a pattern will match any signal that is a direct child of the branch(es) identified by the preceding pattern.
  • A double asterisk "**" at the end of a pattern matches any signal that is a direct or indirect child of the branch(es) identified by the preceding pattern.
  • An asterisk "*" in the middle (or beginning) of a pattern matches any signal that has a branch (of any name) at that position.
  • A double asterisk "**" in the middle (or beginning) of a pattern matches any signal that has zero or more branches at that position.

Examples

Path Matches
"" Everything
"Vehicle" Everything starting with Vehicle
"Vehicle.Cabin.Sunroof" Vehicle.Cabin.Sunroof.Position
Vehicle.Cabin.Sunroof.Shade.Position
Vehicle.Cabin.Sunroof.Shade.Switch
Vehicle.Cabin.Sunroof.Switch
"Vehicle.Cabin.Sunroof.**" Vehicle.Cabin.Sunroof.Position
Vehicle.Cabin.Sunroof.Shade.Position
Vehicle.Cabin.Sunroof.Shade.Switch
Vehicle.Cabin.Sunroof.Switch
"Vehicle.Cabin.Sunroof.*" Vehicle.Cabin.Sunroof.Position
Vehicle.Cabin.Sunroof.Switch
"Vehicle.Cabin.Sunroof.*.Position" Vehicle.Cabin.Sunroof.Shade.Position
"**.Sunroof.*.Position" Vehicle.Cabin.Sunroof.Shade.Position
"*.*.*.*.Position" Vehicle.Cabin.Sunroof.Shade.Position
"Vehicle.Cabin.Sunroof.**.Position" Vehicle.Cabin.Sunroof.Position
Vehicle.Cabin.Sunroof.Shade.Position
"**.Sunroof" Nothing
"**.Sunroof.**" Vehicle.Cabin.Sunroof.Position
Vehicle.Cabin.Sunroof.Shade.Position
Vehicle.Cabin.Sunroof.Shade.Switch
Vehicle.Cabin.Sunroof.Switch
"*.Sunroof" Nothing
"Sunroof" Nothing