return true, nil
			}

		case underscore:
			if len(s) == 0 {
				text, ok = dropRune(text)
				if !ok {
					return false, nil
				}
				continue
			}

			text, ok = matcher(text, string(s), hasLeadingPercent)
			if !ok {
				return false, nil
			}
			hasLeadingPercent = false

			text, ok = dropRune(text)
			if !ok {
				return false, nil
			}
			s = []rune{}

		case escape:

	}{
		{"", "", false},
		{"a", "", true},
		{"ab", "b", true},
		{"தமிழ்", "மிழ்", true},
	}

	for i, tc := range dropCases {
		res, ok := dropRune(tc.input)
		if res != tc.resultExpected || ok != tc.matchExpected {
			t.Errorf("DropRune Case %d failed", i)
		}
	}

	matcherCases := []struct {
		iText, iPat        string
		iHasLeadingPercent bool
		resultExpected     string
		matchExpected      bool