Use the versions of this function that accept parameters to remove a particular character or a particular group of characters from the end of a string.

含有参数的该函数用来清除原对象后面的指定的字符或字符集。

youdao

Use the versions of this function that accept parameters to remove a particular character or a particular group of characters from the end of a string.

含有参数的该函数用来清除原对象后面的指定的字符或字符集。

youdao