PYTHON

python get pattern from string

Get occurrence of substring in string 

def count_substring(string, sub_string):
    
    mycount = 0
    result = 0
    for x in string:
        if x == sub_string[0]:
            if sub_string == string[mycount:len(sub_string)+mycount]:
                result = result + 1
        mycount = mycount + 1    
    return result

get pattern from string python

How to get substring in string 
import re
def count_substring(string, sub_string):
    result = [(_.start(), _.end()) for _ in re.finditer(sub_string, string)]
    
    return len(result[0])