[
{
"input": "hello (fwd)",
"expected": "hello"
},
{
"input": " hello (fwd)(fwd)",
"expected": "hello"
},
{
"input": "hello (wg) (fwd) (fwd)",
"expected": "hello"
},
{
"input": "(fwd)(fwd)",
"expected": ""
},
{
"input": "(fwd)hello(fwd)",
"expected": "(fwd)hello"
},
{
"input": " hello ",
"expected": "hello"
},
{
"input": " hello world ",
"expected": "hello world"
},
{
"input": "",
"expected": ""
},
{
"input": " ",
"expected": ""
},
{
"input": "hello ()(fwd)",
"expected": "hello ()"
},
{
"input": "(hello)",
"expected": "(hello)"
},
{
"input": "hello () (fwd) ()(fwd)",
"expected": "hello () (fwd) ()"
},
{
"input": ")(",
"expected": ")("
},
{
"input": " 你好世界(fwd) ",
"expected": "你好世界"
},
{
"input": "你好世界 (轉寄)",
"expected": "你好世界"
},
{
"input": "merhaba (i̇letilen)",
"expected": "merhaba"
},
{
"input": "hello(fwd",
"expected": "hello(fwd"
},
{
"input": "hello(fwd))",
"expected": "hello(fwd))"
}
]