# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: Apache-2.0
"""
This module provides functions for validating input from various sources.
"""

import re

def is_valid_rid(text):
    """
    Client supplied request IDs must conform to the pattern of IDs 
    generated by API Gateway (e.g. 26a07142-098a-4bea-b67d-1fe5a098bf29)
    """
    pattern = re.compile('\\w{8}-\\w{4}-\\w{4}-\\w{4}-\\w{12}')
    return pattern.match(text)