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# ========= Copyright 2023-2024 @ CAMEL-AI.org. All Rights Reserved. =========
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ========= Copyright 2023-2024 @ CAMEL-AI.org. All Rights Reserved. =========
import sys
sys.path.append("../")
import re
from typing import Optional
from camel.logger import get_logger
logger = get_logger(__name__)
def extract_pattern(content: str, pattern: str) -> Optional[str]:
try:
_pattern = rf"<{pattern}>(.*?)</{pattern}>"
match = re.search(_pattern, content, re.DOTALL)
if match:
text = match.group(1)
return text.strip()
else:
return None
except Exception as e:
logger.warning(f"Error extracting answer: {e}, current content: {content}")
return None
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