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one-line regex solution in Clear category for Long Repeat by hundsstern
import re
from itertools import groupby
def long_repeat(line):
"""
length the longest substring that consists of the same char
"""
# your code here]
return max([len(group[0]) for group in re.findall(r'((.)\2*)',line)],default=0)
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert long_repeat('sdsffffse') == 4, "First"
assert long_repeat('ddvvrwwwrggg') == 3, "Second"
assert long_repeat('abababaab') == 2, "Third"
assert long_repeat('') == 0, "Empty"
print('"Run" is good. How is "Check"?')
Dec. 7, 2018
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