using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\{(#+)([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)((?:\>[a-zA-Z0-9_\x7f-\xff]*)*)\}\s*(\{\1\>empty\}\s*(.*?)\s*\{\1\>empty\})?\s*([^\n]*)\s*(\{\1\>firstrow\}\s*(.*?)\s*\{\1\>firstrow\})?\s*(\{\1\>row\}\s*(.*?)\s*\{\1\>row\})?\s*(\{\1\>lastrow\}\s*(.*?)\s*\{\1\>lastrow\})?\s*(.*?)\s*\{\1\}";
string input = @"{#var1>var2}
{#>empty}inside empty{#>empty}
before rows
{#>firstrow}inside firstrow{#>firstrow}
{#>row}inside row{#>row}
{#>lastrow}inside lastrow{#>lastrow}
after rows
{#}";
RegexOptions options = RegexOptions.Singleline;
Match m = Regex.Match(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