Remove the character to resolve the error.
移除该字元便可解决这种错误。
Wait, how do you remember that we are supposed to use the '#' character to remove from the *beginning* of a string?
等一下,怎样记住应该使用 '#' 字符来从字符串开始部分除去?
The next if statement will remove the trailing "any word character section" to produce (s)(\w)+(m)(\w)+(l).
接下来的 if 语句将删除后置的 “任何字符部分” 以生成 (s)(\w)+(m)(\w)+(l)。
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