python贪婪匹配以及多行匹配的实例讲解
1非贪婪flag>>>re.findall(r"a(\d+?)","a23b")['2']>>>re.findall(r"a(\d+)","a23b")['23']注意比
贪婪匹配
1非贪婪flag>>>re.findall(r"a(\d+?)","a23b")['2']>>>re.findall(r"a(\d+)","a23b")['23']注意比
所谓贪婪匹配就是匹配重复字符是尽可能多的匹配，比如："aaaaa".match(/a+/);//["aaaaa",index:0,inp