re := MustCompile("foo (ba+r)? baz")
	b.ResetTimer()
	b.RunParallel(func(pb *testing.PB) {
		re := re.Copy()
		for pb.Next() {
			re.Match(x)
		}
	})
}

var sink string

func BenchmarkQuoteMetaAll(b *testing.B) {
	specials := make([]byte, 0)
	for i := byte(0); i < utf8.RuneSelf; i++ {
		if special(i) {
			specials = append(specials, i)
		}
	}
	s := string(specials)
	b.SetBytes(int64(len(s)))