好的,我有一个文本文件,其中包含:
books_book1 = 1
books_book2 = 2
books_book3 = 3
我想保留“books_book1 =”
到目前为止,我有:
string text = File.ReadAllText("settings.txt");
text = Regex.Replace(text, ".*books_book1*.", "books_book1 = a",
RegexOptions.Multiline);
File.WriteAllText("settings.txt", text);
text = Regex.Replace(text, ".*books_book2*.", "books_book2 = b",
RegexOptions.Multiline);
File.WriteAllText("settings.txt", text);
text = Regex.Replace(text, ".*books_book3*.", "books_book3 = c",
RegexOptions.Multiline);
File.WriteAllText("settings.txt", text);
这导致:
book_book1 = a=1
输出到文件应该是:
books_book1 = a
books_book2 = b
books_book3 = c
非常感谢提前...