using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\(\w*\(*[^)]*[^(]*\)*\w*\)+";
string input = @"CHUOI(<h1>abc)
CHUOI((abc)
CHUOI(abc))
CHUOI((abc)123)
CHUOI(abc)123))
CHUOI(abc))123)
CHUOI((abc)))
CHUOI(abc)123)
CHUOI(abc)ABC(123)
CHUOI(abc(123))
CHUOI(abc)ABC(123))
CHUOI(abc)ABC(132))
CHUOI(abc)))ABC(123(def)))
------------------------------ spec-------------------
CHUOI(<h1>%$#<h1>^@321312*&da<hh131>)anc(abc)
CHUOI(<h1>abc)
CHUOI((<h1<h2>~!@)#$%^&*(*(*)_+**(***$#%$$abc)
CHUOI(abc))
CHUOI((abc)123)
CHUOI(abc)123))
CHUOI(abc))123)
CHUOI((abc)))
CHUOI(abc)123)
CHUOI(abc)ABC(123)
CHUOI(abc(123))
CHUOI(abc)ABC(123))
CHUOI(abc)ABC(132))
CHUOI(abc)))ABC(123(def)))
CHUOI(<h1(abc)ABC(dadahi)";
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