Generate Random Regex
pip install random-regex
import re
from random_regex import RegexGenerator
from rbloom import Bloom # This is a faster bloom filter implemented in rust.s
regex_generator = RegexGenerator(bloom_cls=Bloom).generate()
def assert_all_match(examples, regex):
re_com = re.compile(regex)
for ex in examples:
assert re_com.fullmatch(ex) is not None
for i, instance in enumerate(regex_generator):
if i > 1000:
break
regex = instance['regex']
complexity = instance['complexity']
length = instance['length']
examples = instance['examples']
re.compile(regex)
assert len(regex) == length
assert len(examples) == complexity
assert_all_match(examples, regex)
print(regex)
((?:(([\s]C\s))))
((\sR2{1,3}\+[m]))
((3{1}[\(-y]a\[))
((\d{1,1}[^08]1A))
(([3-c]))
(([^Rp][CJ]f))
(((G[/]){4,7}))
((.))
(((?:(D2[Qh]))?))
(((!\s)){3})
(([9d])([9d]))
((\s))((\s))
((\d))
((a\s)(a\s)(a\s))
...