Regex_count_lowercase_letters.md

CodeWars Python Solutions

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Regex count lowercase letters

Your task is simply to count the total number of lowercase letters in a string.

Examples

lowercaseCount("abc"); ===> 3

lowercaseCount("abcABC123"); ===> 3

lowercaseCount("abcABC123!@€£#$%^&*()_-+=}{[]|\':;?/>.<,~"); ===> 3

lowercaseCount(""); ===> 0;

lowercaseCount("ABC123!@€£#$%^&*()_-+=}{[]|\':;?/>.<,~"); ===> 0

lowercaseCount("abcdefghijklmnopqrstuvwxyz"); ===> 26

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Given Code

def lowercase_count(strng):
    pass

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Solution 1

def lowercase_count(strng):
    i = 0
    for c in strng:
        if c.islower():
            i += 1
    return i

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Solution 2

def lowercase_count(strng):
    return sum(a.islower() for a in strng)

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