从字符串末尾重复一个字符

Question

我想从字符串的末尾重复删除一个特定的字符，只留下一个唯一的字符。

所以我希望以下情况发生：

buns = "well, that was unusual....."
buns.dedupe(".")
#=> "well, that was unusual."

提前致谢！

Answer 1

如果您只想从字符串末尾删除重复字符（而不是字符串中的任何位置，如String#squeeze那样）：

"well, that was unusual.....".gsub(/\.+$/, '.')