[[tests]]
name = "100"
regex = "|b"
input = "abc"
matches = [[0, 0], [1, 1], [2, 2], [3, 3]]

[[tests]]
name = "110"
regex = "b|"
input = "abc"
matches = [[0, 0], [1, 2], [3, 3]]

[[tests]]
name = "120"
regex = "|z"
input = "abc"
matches = [[0, 0], [1, 1], [2, 2], [3, 3]]

[[tests]]
name = "130"
regex = "z|"
input = "abc"
matches = [[0, 0], [1, 1], [2, 2], [3, 3]]

[[tests]]
name = "200"
regex = "|"
input = "abc"
matches = [[0, 0], [1, 1], [2, 2], [3, 3]]

[[tests]]
name = "210"
regex = "||"
input = "abc"
matches = [[0, 0], [1, 1], [2, 2], [3, 3]]

[[tests]]
name = "220"
regex = "||b"
input = "abc"
matches = [[0, 0], [1, 1], [2, 2], [3, 3]]

[[tests]]
name = "230"
regex = "b||"
input = "abc"
matches = [[0, 0], [1, 2], [3, 3]]

[[tests]]
name = "240"
regex = "||z"
input = "abc"
matches = [[0, 0], [1, 1], [2, 2], [3, 3]]

[[tests]]
name = "300"
regex = "(?:)|b"
input = "abc"
matches = [[0, 0], [1, 1], [2, 2], [3, 3]]

[[tests]]
name = "310"
regex = "b|(?:)"
input = "abc"
matches = [[0, 0], [1, 2], [3, 3]]

[[tests]]
name = "320"
regex = "(?:|)"
input = "abc"
matches = [[0, 0], [1, 1], [2, 2], [3, 3]]

[[tests]]
name = "330"
regex = "(?:|)|z"
input = "abc"
matches = [[0, 0], [1, 1], [2, 2], [3, 3]]

[[tests]]
name = "400"
regex = "a(?:)|b"
input = "abc"
matches = [[0, 1], [1, 2]]

[[tests]]
name = "500"
regex = ""
input = ""
matches = [[0, 0]]

[[tests]]
name = "510"
regex = ""
input = "a"
matches = [[0, 0], [1, 1]]

[[tests]]
name = "520"
regex = ""
input = "abc"
matches = [[0, 0], [1, 1], [2, 2], [3, 3]]

[[tests]]
name = "600"
regex = '(|a)*'
input = "aaa"
matches = [[0, 0], [1, 1], [2, 2], [3, 3]]

[[tests]]
name = "610"
regex = '(|a)+'
input = "aaa"
matches = [[0, 0], [1, 1], [2, 2], [3, 3]]