42 lines
988 B
Python
42 lines
988 B
Python
# coding: utf-8
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# -------------------------------------------------------------------------------
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# Name: bif_re.py
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# Description:
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# Author: kira
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# EMAIL: 262667641@qq.com
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# Date: 2021/1/12 15:11
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# -------------------------------------------------------------------------------
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import json
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import re
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from common.bif_functions import logger
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__all__ = ['regex_extract']
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@logger.log_decorator()
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def regex_extract(string, pattern, group=None):
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"""
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根据正则表达式提取内容
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Args:
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string: 字符串
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pattern: 正则表达式
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group: 分组组号
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Returns:
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"""
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if not isinstance(string, str):
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string = json.dumps(string, ensure_ascii=False)
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re_obj = re.search(pattern, string)
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result = None
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if re_obj:
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result = re_obj.group(0)
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if group:
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try:
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result = re_obj.group(group)
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except IndexError:
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pass
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return result
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