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【笔记】Python3的Re包
source link: https://loli.fj.cn/2023/05/17/Python3%E7%9A%84Re%E5%8C%85/
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【笔记】Python3的Re包
2023-05-17
Python3的Re正则匹配包学习笔记
import re
匹配一次并返回匹配成功的字符串
从头开始匹配
res = re.match(正则表达式, 字符串).span()
从任意位置开始匹配
res = re.match(正则表达式, 字符串)
匹配一次并返回匹配成功的字符串位置
从头开始匹配
res = re.search(正则表达式, 字符串).span()
从任意位置开始匹配
res = re.search(正则表达式, 字符串)
匹配所有并返回匹配成功的字符串列表
res = re.findall(正则表达式, 字符串)
- 返回匹配成功的字符串所在下标的元祖，元祖中有2个元素，分别存储了开始位置和结束位置
res = re.findall(正则表达式, 字符串)
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