如何将数组传递给sub或gsub红宝石？

Question

我有我想从一个字符串删除的字符数组：

stops = ["[", "]", "^", "(", ")", "#", "*", "?", "~"]

我希望能够通过该阵列，并有去除，使得这些字符的所有实例：

"str [with] unwanted# char*acters"

成为

"str with unwanted characters"

Answer 1

如果您需要删除字符，你可以使用#delete

str.delete "[]^()#*?~" 

Answer 2

"str [with] unwanted# char*acters".gsub(Regexp.union(stops), '') 
# => "str with unwanted characters" 

Answer 3

str.tr('[]^()#*?~','') 
str.tr('[]^()#*?~','abcdefghi')