C# - 如果不在引号内，则正则表达式替换 [英] C# - Regex replace if not inside of quotes

问题描述

让我们看看这段代码:

string Val = "I like foo, baz and bar, they where before \"foo, baz and bar\"";

string[] first = {
    "foo",
    "baz",
    "bar"
};

string[] second = {
    "java",
    "php",
    "ruby"
};

看看在我的 Val 字符串中我有一个文本，我只想替换不在引号 (\") 内的部分，但是如果我这样做了

Look that inside my Val string I have a text, I want to replace only the part which isn't inside of the quotes (\"), but if I do

Val = Regex.Replace(Val, first, second);

它只是给了我

I like java, php and ruby, they where before "java, php and ruby"

虽然我期待

I like java, php and ruby, they where before "foo, baz and bar"

有人可以帮忙解决这个问题吗?我没有找到任何解释它的文档.

Can someone help to solve this problem? I didn't find any documentation explaining it.

推荐答案

您可以在引号上拆分并替换每隔一个字符串，然后将字符串放在一起:

You can split on quotation marks and do the replace on every other string, then put the strings together:

string[] parts = Val.Split('"');
for (int i = 0; i < parts.Length; i += 2) {
  parts[i] = Regex.Replace(parts[i], first, second);
}
Val = String.Join("\"", parts);

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