python匹配ip正则 #!/usr/bin/env python # -*- coding:utf-8 -*- import re ip_str = "asdad1.1.1.1sdfwe2.6.5.7sdfsf2.3.94.5sdf200.198.25.0" res = [] for i in range(1): ip_t = True m_ind = 0 while ip_t: m = re.search(r"(((2([0-4]\d|5[0-5])|((1\d|[1-
0. 1.参考 Python正则表达式指南 https://docs.python.org/2/library/re.html https://docs.python.org/2/howto/regex.html https://docs.python.org/3/library/re.html string re 备注 re.match(pattern, string, flags=0) at the start of the string S.find(sub [,start [,end
day18 正则表达式用处? 匹配 字符串 s = 'hello world' print(s.find('llo'))#第一个的位置 ret = s.replace('ll','xx') print(ret) print(s.split(' ')) 执行结果 2 hexxo world ['hello', 'world'] Process finished with exit code 0 以上字符串提供的是完全匹配 模糊匹配,以上方法不可行,需正则表达式 import re ret = re