5 examples of 'how to check if a letter is in a string python' in Python

22
def is_letter_numer(in_str):
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    numbers = '^[0-9A-Z]+$'
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    if re.match(numbers, str(in_str)):
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        return True
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    else:
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        return False

114
def check_in_numerals(c):
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    print "Checking if input is contained in the numbers list"
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    if c in numbers:
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        print True,"Yes ",c," a number"
118
        gpio_call(c)
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        return True
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    else:
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        print "The string ",c," is probably a word or an alphabet!"
122
        return False

542
@__builtin__
543
def ascii_iscased(codepoint):
544
    return codepoint < 128 and chr(codepoint).isalpha()

1
def count_letters(string):
2
    freq, limit, i = {}, len(string), 0
3
    while i < limit:
4
        if string[i] in freq:
5
            freq[string[i]] += 1
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        else:
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            freq[string[i]] = 1
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        i += 1
9
    return freq

60
def __contains_vowel(self, string):
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    return any(c.lower() in self.toned_vowels for c in string)