c#正则表达式

Question

)1(  
)2( 
)3( 
)4( 
在文本中有这样的由括号围起来的数字.用字符串替换导致混乱.
求高手用正则解决!
(1)
(2)
(3)
(4)

Answer 1

            string source = ")1( )2( )3( )4( )5(";
            string replacestr = @"";
            Regex reg = new Regex(@"(?is)(\))(\d+)(\()");            
            source = reg.Replace(source, "$3$2$1");
            MessageBox.Show(source);

Answer 2

string s = @")1(
)2(
)3(
)4(";
string r = Regex.Replace(s, @"(?s)\)(\d+)\(", "($1)");
Console.WriteLine(r);
Console.ReadKey();

Answer 3

  string str= @")1(
)2(
)3(
)4(";
 string reg = Regex.Replace(s,@"(?s)\)(\d*)\(","($1)");

Answer 4

 string str= @")1(
)2(
)3(
)4(";
 string reg = Regex.Replace(s,@"(?s)\)(\d*)\(","($1)");

Answer 5

研究了一下：string source = ")1()2()3()4()5(";
            Regex reg = new Regex(@"\)(\d)\(");
            source = reg.Replace(source, "($1)");
            MessageBox.Show(source);

Answer 6

研究了一下：
string source = ")1()2()3()4()5(";
            Regex reg = new Regex(@"\)(\d)\(");
            source = reg.Replace(source, "($1)");
            MessageBox.Show(source);