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# --------------------------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for license information.
# --------------------------------------------------------------------------------------------
import re
def is_uuid(text):
"""Returns true if the text is a GUID.
:param text: The text to validate.
:type text: str
:rtype: bool
"""
return _uuid_regex.match(text) is not None
_uuid_regex = re.compile(r'^[\da-f]{8}-([\da-f]{4}-){3}[\da-f]{12}$', re.IGNORECASE)
EMPTY_UUID = '00000000-0000-0000-0000-000000000000'
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