Question

How to move the digits of a string with digits and letters to the beginning of the string in Python

Answer 1

import re

def move_digits_to_front(input_string):
    # Separate digits and non-digits using regex
    digits = re.findall(r'\d', input_string)  # Extract digits
    non_digits = re.findall(r'\D', input_string)  # Extract non-digits

    # Combine digits and non-digits
    result = ''.join(digits) + ''.join(non_digits)

    return result

input_string = "d2c54be3a1"
output = move_digits_to_front(input_string)

print(output)  




'''
run:

25431dcbea

'''

 

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