Question

我需要从文件中删除特殊字符，我尝试使用基于此example的代码，它产生的错误很少。我需要这段代码才能用于基于asp.net webform的应用程序。

using System;
using System.Linq;
using System.Text.RegularExpressions;

public class Test {
    public static void Main() {
        // your code goes here

        var file_name = GetValidFileName("this is)file<ame.txt");
        Console.WriteLine(file_name);
        private static string GetValidFileName(string fileName) {
            // remove any invalid character from the filename.
            return Regex.Replace(fileName.Trim(), "[^A-Za-z0-9_. ]+", "");
        }
    }
}

示例代码＆amp;输出ideone.com

Answer 1

您已将private static string GetValidFileName放入public static void Main()并且不允许使用C＃。只需简单地更改代码如下，它将起作用：

using System;
using System.Linq;
using System.Text.RegularExpressions;

public class Test {
    public static void Main() {
    // your code goes here

    var file_name = GetValidFileName("this is)file<ame.txt");
    Console.WriteLine(GetValidFileName(file_name));

    }
    private static string GetValidFileName(string fileName) {
        // remove any invalid character from the filename.
        String ret = Regex.Replace(fileName.Trim(), "[^A-Za-z0-9_. ]+", "")
        return ret.Replace(" ", String.Empty);
    }
}

Answer 2

string newName = UploadFile.FileName.Replace("&", "and");

从文件名中删除特殊字符

2 个答案: