orignal: "hello world" quoted: "hello world" orignal: `hello world` quoted: `hello world` orignal: 'hello world' quoted: 'hello world' orignal: hello world quoted: orignal: 'hello \'world' quoted: 'hello \'world' orignal: "hello \"wor\"ld" quoted: "hello \"wor\"ld" orignal: "hello \"world" quoted: "hello \"world" orignal: "" quoted: "" orignal: '' quoted: '' orignal: `` quoted: `` orignal: 'hello 'world' quoted: 'hello ' orignal: "hello "world" quoted: "hello "