# Write a function to check if the given string starts with a substring using regex.
import re


def check_substring(string, sample):
    if sample in string:
        y = "\A" + sample
        x = re.search(y, string)
        if x:
            return "string starts with the given substring"
        else:
            return "string doesnt start with the given substring"
    else:
        return "entered string isnt a substring"
