using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^[\ \t]*(\S?(?:.*\S)?)?[\ \t]*$";
string input = @"The door swung open to reveal pink giraffes and red elephants.
He stomped on his fruit loops and thus became a cereal killer.
Lightning Paradise was the local hangout joint where the .
a
sd
a
He didn’t want to go to the dentist, yet he went anyway.
He decided to count all the sand on the beach as a hobby.
* Situps are a terrible way to end your day.
The random sentence generator generated a random sentence about a random sentence.
As time wore on, .
The beach was crowded with snow leopards.
She was too short to see over the fence.
";
RegexOptions options = RegexOptions.Multiline | RegexOptions.IgnoreCase;
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