s = s[i+len(sep):]
	}
}

// Contains reports whether subslice is within b.
func Contains(b, subslice []byte) bool {
	return Index(b, subslice) != -1
}

// ContainsAny reports whether any of the UTF-8-encoded code points in chars are within b.
func ContainsAny(b []byte, chars string) bool {
	return IndexAny(b, chars) >= 0
}

// ContainsRune reports whether the rune is contained in the UTF-8-encoded byte slice b.

	{[]byte("aRegExp*"), ".(|)*+?^$[]", true},
	{[]byte(dots + dots + dots), " ", false},
}

func TestContainsAny(t *testing.T) {
	for _, ct := range ContainsAnyTests {
		if ContainsAny(ct.b, ct.substr) != ct.expected {
			t.Errorf("ContainsAny(%s, %s) = %v, want %v",
				ct.b, ct.substr, !ct.expected, ct.expected)
		}
	}
}

var ContainsRuneTests = []struct {
	b        []byte
	r        rune