rstrip
从字符串的右侧删除所有空白符（制表符、空格和换行符）。它不会影响单词之间的空格。
输入
{{ " So much room for activities " | rstrip }}!
输出
So much room for activities!
从字符串的右侧删除所有空白符（制表符、空格和换行符）。它不会影响单词之间的空格。
输入
{{ " So much room for activities " | rstrip }}!
输出
So much room for activities!