using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^col\-(sm|xs|md|lg)\-([1-9]|1[0-2])$";
string input = @"col-sm-1
col-xs-12
col-md-12
col-lg-8
col-sms-1
col-xsd-12
col-xmd-12
col-lgd-8
col-sm-17
col-xs--1
col-md-0
col-lg-122
col-lg-82
col-xs-6
//^col\-(sm|xs|md|lg)\-(1|2|3|4|5|6|7|8|9|10|11|12)$";
RegexOptions options = RegexOptions.Multiline;
foreach (Match m in Regex.Matches(input, pattern, options))
{
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