regex clear solution for First Word by WittyWalrus - python coding challenges

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regex solution in Clear category for First Word by WittyWalrus

import re

def first_word(text: str) -> str:
    """
        returns the first word in a given text.
    """
    return re.sub(r'[\.\s,]+', ' ', text).split(maxsplit=1)[0]


if __name__ == '__main__':
    print("Example:")
    print(first_word("Hello world"))
    
    # These "asserts" are used for self-checking and not for an auto-testing
    assert first_word("Hello world") == "Hello"
    assert first_word(" a word ") == "a"
    assert first_word("don't touch it") == "don't"
    assert first_word("greetings, friends") == "greetings"
    assert first_word("... and so on ...") == "and"
    assert first_word("hi") == "hi"
    assert first_word("Hello.World") == "Hello"
    print("Coding complete? Click 'Check' to earn cool rewards!")

July 14, 2019

Comments:

maxnrg on Dec. 16, 2019, 4:58 p.m.
<p>redundant escape character '\' for . in RegExp: ``` return re.sub(r'[.\s,]+', ' ', text).split(maxsplit=1)[0] ```</p>

Strings and Integers

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