using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^[\(|\{\)\}\[\]\s]*(?:\w[\(|\{\)\}\[\]\s]*){1,30}$";
string input = @"abcdefghijklmnopqrstuvwxyz1234
abcdefghijklmnopqrstuvwxyz1234567890
(abcdefghijklmnopqrstuvwxyz1234)
{abcdefghijklmnopqrstuvwxyz1234)
{abcdefghijklmnopqrstuvwxyz1234}
(abcdefghijklmnopqrstuvwxyz1234}
abcdefgh(ijklmnopqrs)tuvwxyz1234
abc{defgh(ijklmnopqrs)tuvw}xyz1234
abcdefghijk(){}lmnopqrstuvwxyz1234
a}bcdef[ghijkl(mno)pqrstuvwx]yz12{34
text text {text} text";
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