using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?|""([^""\n]*)""|'([^'\n]*)')";
string input = @"My text ""can contain"" both single 'and double""' quotes. The quotes ""can also be 'nested"" as you can see.
Valid / invalid
Valid: This is ""A text"" (A text)
Valid: This is 'A text' (A text)
Valid: This is ""A 'text"" (A ]text)
Valid: This is 'A ""text' (A [text)
Invalid: This is ""A text (Uneven quotes 1)
Invalid: This is 'A text (Uneven quotes 1)
Invalid: This is ""A ""text"" (Uneven quotes 3)
Invalid: This is 'A 'text'(Uneven quotes 3)";
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