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  1. Prepare
  2. Python
  3. Strings
  4. String Validators
  5. Discussions

String Validators

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1963 Discussions

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  • Shreesh_Reddy
     + 0 comments

    print(any(c.isalnum() for c in s)) print(any(c.isalpha() for c in s)) print(any(c.isdigit() for c in s)) print(any(c.islower() for c in s)) print(any(c.isupper() for c in s))

    any()-> its a builtin function and checks if any conditons are true , this function can be used in any iterables.

  • adithyamamidala1
     + 0 comments

    if name == 'main': s = input()

    has_alnum = bool()
has_alpha = bool()
has_digit = bool()
has_lower = bool()
has_upper = bool()

for ch in s:
    if ch.isalnum(): has_alnum = True
    if ch.isalpha(): has_alpha = True
    if ch.isdigit(): has_digit = True
    if ch.islower(): has_lower = True
    if ch.isupper(): has_upper = True

print(has_alnum)
print(has_alpha)
print(has_digit)
print(has_lower)
print(has_upper)

  • tejamagadapalli1
     + 0 comments
    s = input()
methods = ["isalnum","isalpha","isdigit","islower","isupper"]
for method in methods:
    result = any(getattr(c,method)() for c in s)
    print(result)

  • quang0805kk
     + 0 comments
    if __name__ == '__main__':
    s = input()
    answer = []
    for _ in range(5):
        answer.append(False)
    for chr in s: 
        if chr.islower():
            answer[0] = answer[1] = answer[3] = True
        elif chr.isupper(): 
            answer[0] = answer[1] = answer[4] = True
        if chr.isdigit(): 
            answer[0] = answer[2] = True
        if False not in answer: 
            break
    for x in answer: 
        print(x)

  • gmorvaladao
     + 0 comments
    def checker(s, values, validation):
    """ Populates a list 'values' with strings 'True' or 'False'  verifying 
    the string 's' by the function given by 'validation' """
		
    for item in s:
        if validation(item):
            values.append('True')
        else:
            values.append('False')
    return values    

def executor(s, values, validation):
    """ Clears the values list, applies the checker function 
    and returns the appropriate value """
		
    values.clear()
    print(True if 'True' in checker(s, values, validation) else False)

if __name__ == '__main__':
    s = input()

values = []
executor(s, values, str.isalnum)
executor(s, values, str.isalpha)
executor(s, values, str.isdigit)
executor(s, values, str.islower)
executor(s, values, str.isupper)