using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @".*(usluga\d+).*";
string input = @"btn btn-default usluga_btn usluga1
usluga_btn usluga1
btn usluga_btn usluga1
btn btn-default usluga_btn usluga2
usluga_btn usluga2
btn usluga_btn usluga2
btn btn-default usluga_btn usluga1
usluga_btn usluga1
btn usluga_btn usluga1
btn btn-default usluga_btn usluga2
usluga_btn usluga2
btn usluga_btn usluga2
чтобы из 'btn btn-default usluga3_btn'
и из 'btn btn-default usluga_btn usluga3'
вытаскивалось usluga3 без _btn";
foreach (Match m in Regex.Matches(input, pattern))
{
Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx