请问该如何在Ruby中使用字符串方法？

Question

如何在Ruby中使用字符串方法

Answer 1

c中是strstr.
ruby 1.9.3中包含：
include? other_str → true or false click to toggle source
Returns true if str contains the given string or character.

"hello".include? "lo" #=> true
"hello".include? "ol" #=> false
"hello".include? ?h #=> true