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regex solution in Clear category for Long Repeat by slchangtw
import re
def long_repeat(line: str) -> int:
"""
length the longest substring that consists of the same char
"""
if not line:
return 0
else:
return max([len(m.group(0)) for m in list(re.finditer(r"(.)\1*", line))])
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"?')
July 15, 2022
