Question

我希望在匹配后删除所有内容：

/**

我的字符串是：

/ r / _ylt = A0oG7lyFHLZQjSEAWltXNyoA; _ylu = X3oDMTE0NGYxbHRnBHNlYwNzcgRwb3MDOQRjb2xvA2FjMgR2dGlkA1ZJUDA0OV83Nw - / SIG = 11pqblim6 / EXP = 1354140933 / ** http％3a // www.hellomagazine.com / royalty /“target =”_ blank“data-bk =” 5254.1“dirtyhref =”/ r / _ylt = A0oG7lyFHLZQjSEAWltXNyoA; _ylu = X3oDMTE0NGYxbHRnBHNlYwNzcgRwb3MDOQRjb2xvA2FjMgR2dGlkA1ZJUDA0OV83Nw - / SIG = 11pqblim6 / EXP = 1354140933 / ** http％3a // www.hellomagazine.com / royalty /

我想删除/**

之前的所有内容

我可以匹配1个字符，但我怎么能为多个字符做？

Answer 1

你有什么尝试？你如何匹配一个角色，为什么不能将其改为多个角色？字符串操作完美记录。

你需要这样的东西：

string input = "your string/**result";
string separator = "/**";
int startPos = input.IndexOf(separator);

if (startPos == -1)
{
    return input;
}

return input.Substring(startPos + separator.Length);

如果您确实想要返回分隔符，请忽略+ separator.Length。

Answer 2

Substring的简单IndexOf有效：

string output = input.Substring(input.IndexOf(@"/**") + @"/**".Length);

Answer 3

var inputstr = "your input string";
int index = inputstr.IndexOf(@"/**");
if (index > 0)
{
  var result = inputstr.Substring(index);
}

Answer 4

假设您的字符串名为myString

myString = myString.Substring(myString.IndexOf("/**") + 1)

Answer 5

class Program
{
    static void Main(string[] args)
    {
        string test="/r/_ylt=A0oG7lyFHLZQjSEAWltXNyoA;_ylu=X3oDMTE0NGYxbHRnBHNlYwNzcgRwb3MDOQRjb2xvA2FjMgR2dGlkA1ZJUDA0OV83Nw--/SIG=11pqblim6/EXP=1354140933/**http%3a//www.hellomagazine.com/royalty/\" target=\"_blank\" data-bk=\"5254.1\" dirtyhref=\"/r/_ylt=A0oG7lyFHLZQjSEAWltXNyoA;_ylu=X3oDMTE0NGYxbHRnBHNlYwNzcgRwb3MDOQRjb2xvA2FjMgR2dGlkA1ZJUDA0OV83Nw--/SIG=11pqblim6/EXP=1354140933/**http%3a//www.hellomagazine.com/royalty/";
        var value=test.Split(new string[]{"/**"},StringSplitOptions.None);
        //continue working with value[0], value[0] etc
    }
}

删除字符串中的所有文本，直到达到多个字符匹配

5 个答案: