目录一、提取包含始末字符二、不包含始末字符串三、.*和.+正则提取的区别四、起始有无^的区别五、pandas对python具体列的内容通过正则表达式进行数据提取六、遇到的报错参考文章：一、提取包含始末字符
I would like to allow a person object (instanced from a Person class) to speak a language (which is a collection of public methods stored in Language module):
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