b.Fatal("not match!")
				}
			}
		})
	}
}

var benchData = []struct{ name, re string }{
	{"Easy0", "ABCDEFGHIJKLMNOPQRSTUVWXYZ$"},
	{"Easy0i", "(?i)ABCDEFGHIJklmnopqrstuvwxyz$"},
	{"Easy1", "A[AB]B[BC]C[CD]D[DE]E[EF]F[FG]G[GH]H[HI]I[IJ]J$"},
	{"Medium", "[XYZ]ABCDEFGHIJKLMNOPQRSTUVWXYZ$"},
	{"Hard", "[ -~]*ABCDEFGHIJKLMNOPQRSTUVWXYZ$"},
	{"Hard1", "ABCD|CDEF|EFGH|GHIJ|IJKL|KLMN|MNOP|OPQR|QRST|STUV|UVWX|WXYZ"},