I need to extract a word from a string before an extension. Let's say I've got a string like :
"Hey Stackoverflow.xyz Whats up?"
I need to extract a word with extension .xyz ie Stackoverflow. How can this be achieved?
You can use positive look ahead to ensure the string you want to extract follows .xyz
using this regex,
\S+(?=\.xyz)
Try these C# codes,
string str = "Hey Stackoverflow.xyz Whats up?";
var m = Regex.Match(str,@"\S+(?=\.xyz)");
Console.WriteLine(m.Groups[0].Value);
Outputs,
Stackoverflow
In case you want to extract your string with extension Stackoverflow.xyz
, just change the look ahead part of regex to normal string like this,
\S+\.xyz
/(\w+)\\.[^\W]+/
Use the following regex to extract the word you need before the extension
\s(.*)?\.
Here the word will be captured using the brackets.
string str = "Hey Stackoverflow.xyz Whats up?";
var regexResult = Regex.Match(str,@"\s(.*)?\.");
Console.WriteLine(regexResult.Groups[1].Value);
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