正则表达式替换问题

发布于 2024-11-12 16:48:02 字数 1528 浏览 8 评论 0原文

我正在尝试编写一个程序来遍历大量 .sql 文件并将名称(例如 view_name)替换为 [dbo].[view_name]。到目前为止,它替换了大部分单词,但是如果名称包含括号中的数字,例如 (3) 或 (7) 等,它不会替换该文件中的任何内容。我提供了下面的代码。

        FolderBrowserDialog fb = new FolderBrowserDialog();
        fb.ShowDialog();

        string directory = fb.SelectedPath;

        if(directory != String.Empty)
        {
            DirectoryInfo di = new DirectoryInfo(directory);
            FileInfo fi = new FileInfo(directory);
            FileInfo[] fiArray = di.GetFiles();

            for (int i = 0; i < fiArray.Length; i++)
            {
                string result;
                //StreamReader
                using (StreamReader sr = new StreamReader(directory + "\\" + fiArray[i].ToString()))
                {
                    string temp = sr.ReadToEnd();

                    string tempNameExtens = fiArray[i].Name;
                    string tempNameNoExtens = Path.GetFileNameWithoutExtension(fiArray[i].Name);
                    MessageBox.Show(tempNameNoExtens);


                    string pattern = "\\s" + tempNameNoExtens;
                    string replace = " [dbo].[" + tempNameNoExtens + "]";

                    Regex rgx = new Regex(pattern);
                    result = rgx.Replace(temp, replace);
                }

                //StreamWriter
                using (StreamWriter sw = new StreamWriter(directory + "\\" + fiArray[i].ToString()))
                {
                    sw.WriteLine(result);
                }
            }
        }   

I'm trying to make a program to go through a lot of .sql files and replace names for example view_name to [dbo].[view_name]. So far it replaces most of the words, however if a name contains number in brackets like (3) or (7) and so on it wont replace anything within that file. I've provided the code below.

        FolderBrowserDialog fb = new FolderBrowserDialog();
        fb.ShowDialog();

        string directory = fb.SelectedPath;

        if(directory != String.Empty)
        {
            DirectoryInfo di = new DirectoryInfo(directory);
            FileInfo fi = new FileInfo(directory);
            FileInfo[] fiArray = di.GetFiles();

            for (int i = 0; i < fiArray.Length; i++)
            {
                string result;
                //StreamReader
                using (StreamReader sr = new StreamReader(directory + "\\" + fiArray[i].ToString()))
                {
                    string temp = sr.ReadToEnd();

                    string tempNameExtens = fiArray[i].Name;
                    string tempNameNoExtens = Path.GetFileNameWithoutExtension(fiArray[i].Name);
                    MessageBox.Show(tempNameNoExtens);


                    string pattern = "\\s" + tempNameNoExtens;
                    string replace = " [dbo].[" + tempNameNoExtens + "]";

                    Regex rgx = new Regex(pattern);
                    result = rgx.Replace(temp, replace);
                }

                //StreamWriter
                using (StreamWriter sw = new StreamWriter(directory + "\\" + fiArray[i].ToString()))
                {
                    sw.WriteLine(result);
                }
            }
        }   

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猫卆 2024-11-19 16:48:02

在构建正则表达式模式时,您应该转义字符:

string pattern = "\\s" + Regex.Escape(tempNameNoExtens);

You should Escape the characters when building a regex pattern:

string pattern = "\\s" + Regex.Escape(tempNameNoExtens);
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