需要在c#中的字符串中的“单词”之后获取字符串
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Need to get a string after a "word" in a string in c#
提问by Narayan
i'm having a string in c# for which i have to find a specific word "code" in the string and have to get the remaining string after the word "code".
我在 c# 中有一个字符串，我必须在字符串中找到一个特定的单词“code”，并且必须在单词“code”之后获取剩余的字符串。
The string is
字符串是
"Error description, code: -1"
“错误描述，代码：-1”
so i have to find the word codein the above string and i have to get the error code. I have seen regex but now clearly understood. Is there any simple way ?
所以我必须在上面的字符串中找到单词代码，我必须得到错误代码。我见过正则表达式，但现在清楚地理解了。有什么简单的方法吗？
采纳答案by xanatos
string toBeSearched = "code : ";
string code = myString.Substring(myString.IndexOf(toBeSearched) + toBeSearched.Length);
Something like this?
像这样的东西？
Perhaps you should handle the case of missing code :...
也许你应该处理失踪的情况code :......
string toBeSearched = "code : ";
int ix = myString.IndexOf(toBeSearched);
if (ix != -1)
{
string code = myString.Substring(ix + toBeSearched.Length);
// do something here
}
回答by Oded
var code = myString.Split(new [] {"code"}, StringSplitOptions.None)[1];
// code = " : -1"
You can tweak the string to split by - if you use "code : ", the second member of the returned array ([1]) will contain "-1", using your example.
您可以调整字符串以拆分 - 如果您使用"code : "，则返回的数组 ( [1])的第二个成员将包含"-1"，使用您的示例。
回答by asifsid88
use indexOf()function
使用indexOf()功能
string s = "Error description, code : -1";
int index = s.indexOf("code");
if(index != -1)
{
//DO YOUR LOGIC
string errorCode = s.Substring(index+4);
}
回答by Nogard
Simpler way (if your only keyword is "code" ) may be:
更简单的方法（如果您唯一的关键字是 "code" ）可能是：
string ErrorCode = yourString.Split(new string[]{"code"}, StringSplitOptions.None).Last();
回答by user3488501
string originalSting = "This is my string";
string texttobesearched = "my";
string dataAfterTextTobeSearch= finalCommand.Split(new string[] { texttobesearched }, StringSplitOptions.None).Last();
if(dataAfterTextobeSearch!=originalSting)
{
//your action here if data is found
}
else
{
//action if the data being searched was not found
}
回答by Caner LENGER
string founded = FindStringTakeX("UID: 994zxfa6q", "UID:", 9);
string FindStringTakeX(string strValue,string findKey,int take,bool ignoreWhiteSpace = true)
{
int index = strValue.IndexOf(findKey) + findKey.Length;
if (index >= 0)
{
if (ignoreWhiteSpace)
{
while (strValue[index].ToString() == " ")
{
index++;
}
}
if(strValue.Length >= index + take)
{
string result = strValue.Substring(index, take);
return result;
}
}
return string.Empty;
}
回答by hossein sedighian
add this code to your project
将此代码添加到您的项目中
public static class Extension {
public static string TextAfter(this string value ,string search) {
return value.Substring(value.IndexOf(search) + search.Length);
}
}
then use
然后使用
"code : string text ".TextAfter(":")
