regex_string：根据正则表达式定制字符串

杂草弦 一个由正则表达式创建字符串的简单库 例子 from regstring import pyregstring r = b"(?<action> \\ w+) \\ s(?<url> \\ S+) \\ s(?<version> \\ S+) \r \n " rs = pyregstring () if ( rs . parse_regex ( r )): rs . set ( b"action" , b"GET" ) rs . set ( b"url" , b"/test" ) rs . set ( b"version" , b"HTTP/1.1" ) print ( rs . to_bytes ()) print ( rs . names ()) print ( rs . size ()) b'GET /test HTTP/1.1