def count_consecutive_characters(string):
    result = []
    count = 1
    for i in range(len(string)-1):
        if string[i] == string[i+1]:
            count += 1
        else:
            result.append((string[i], count))
            count = 1
    result.append((string[-1], count))
    return result

string = "AAAABBBCCDAA"
consecutive_characters = count_consecutive_characters(string)
print(consecutive_characters)

[('A', 4), ('B', 3), ('C', 2), ('D', 1), ('A', 2)]

import re

def count_consecutive_characters(string):
    pattern = r'((\w)\2*)'
    consecutive_characters = re.findall(pattern, string)
    result = [(char, len(con_chars)) for con_chars, char in consecutive_characters]
    return result

string = "AAAABBBCCDAA"
consecutive_characters = count_consecutive_characters(string)
print(consecutive_characters)

[('A', 4), ('B', 3), ('C', 2), ('D', 1), ('A', 2)]