两天研习Python基础（九） 文本处理

/#python [14] regexone: http://regexone.com/ [15] cheatsheet: https://www.shortcutfoo.com/app/dojos/python-regex /cheatsheet [16] 交互式: https://www.shortcutfoo.com/app/dojos/python-regex [17] regexcrossword: https:/