kubernetes/vendor/github.com/emicklei/go-restful/v3/path_expression.go

type pathExpression …

// NewPathExpression creates a PathExpression from the input URL path.
// Returns an error if the path is invalid.
func newPathExpression(path string) (*pathExpression, error) { … }

// http://jsr311.java.net/nonav/releases/1.1/spec/spec3.html#x3-370003.7.3
func templateToRegularExpression(template string) (expression string, literalCount int, varNames []string, varCount int, tokens []string) { … }