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  1. Prepare
  2. Python
  3. Regex and Parsing
  4. Validating phone numbers
  5. Discussions

Validating phone numbers

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461 Discussions

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  • rejin_gunasekar1
     + 0 comments
    import re
p = r'^[789]\d{9}$'
for _ in range(int(input())):
    print("YES" if re.match(p, input()) else "NO")

  • lautterm
     + 0 comments
    import re

N = int(input())
valid_pattern = r'^[789]\d{9}'

for _ in range(N):
    string = input()
    validity = re.match(valid_pattern, string)
    print('YES' if validity else 'NO')
		
		
		
		
		I try to be as straight as possible! to be comprehensible at most

  • albertrichardha2
     + 0 comments

    I do it like this is it legal?

    Input = int(input())

    for i in range(Input):

    number = input()  
output = "NO"
if number.isdigit():
    if len(number) == 10 and number[0] in ['7', '8', '9']:
        output = "YES"
print(output)

  • pernebayarailym
     + 0 comments
    import re

N = int(input())
for _ in range(N):
    phone_number = input().strip()
    if re.match(r'^[789]\d{9}$', phone_number):
        print("YES")
    else:
        print("NO")

  • n4m774r_d
     + 0 comments
    from re import match
[print("YES" if match(r'^[789]\d{9}$', input()) else "NO") for _ in range(int(input()))]