using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"""[^""]?""";
string input = @"1 ""many word "" ""many word"" ""many word ""
2 ""many word "" "" <-Error quotation
3 ""many word "" ""many word "" "" many word "" "" many word "" "" <-Error quotation
4 """" but this quotation not match
5 ""\"" this is not match
6 "" aasd \"" "" "" <-Error quotation \""
only line 2 3 6 have an error quotation i need to find a line have an error quotation by regex";
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