Ruby中關於單引號和雙引號的轉義

單引號和%q只轉義\（反斜槓）和‘（單引號），其他不轉義

雙引號和%Q轉義所有。

a1 = 'hello \\world'
a2 = 'hello \nworld'
a3 = 'that\'s nice!'
b1 = "hello \\world"
b2 = "hello \nworld"
b3 = "that\'s nice!"
puts a1
puts a2
puts a3
puts b1
puts b2
puts b3

=>

hello \world
hello \nworld
that's nice!
hello \world
hello 
world
that's nice!