Human: What is a good Python code for string of hex to integer. Assistant: 
Here is a Python code for string of hex to integer

import re

def hex_to_int(s):
    """
    Convert a string of hexadecimal to integer.
    """
    return int(s, 16)

# Enter the string
s = "0x1234"

# Calling the function
print((hex_to_int(s)))

#Example Output
# 4660

#Remember to inspect code for bugs.