Python regex

 import re

# Regular expression to extract the master ticket number

pattern = re.compile(r'<master_ticket_number>(\d+)</master_ticket_number>')

# File path

file_path = 'file.xml'

# Open the file and read each line

with open(file_path, 'r') as file:

    for line in file:

        # Search for the pattern in the line

        match = pattern.search(line)

        if match:

            # Extract and print the ticket number

            ticket_number = match.group(1)

            print("Master Ticket Number:", ticket_number)