如何用子句替换span，并在BeautifulSoup中对内部文本进行regex操作

I have few tags like

我有一些类似的标签

<span attrib="5_5"> <font size="3">Text:Hello World </font> </span>
<span attrib="5_5"> <font size="1">Text_Hello New World </font> </span>
<span attri