C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text.RegularExpressions;
using System.Text.Json;
using System.Threading.Tasks;
using System.Text.RegularExpressions;

public static class Program
{
	public static async Task Main()
	{
		var pattern = @"(?<=\{((?i)increase:))([0-9]+)(:?)([A-Za-z]\d)?(?=\})";
		var regex = new Regex(pattern);
		var target = "{increase:0004} {increase:0005}";
		
		var result = regex.Matches(target, 0);
		
		foreach(var item in result)
			Console.WriteLine(item);
	}
}

​x
 
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text.RegularExpressions;
using System.Text.Json;
using System.Threading.Tasks;
using System.Text.RegularExpressions;
​
public static class Program
{
    public static async Task Main()
    {
        var pattern = @"(?<=\{((?i)increase:))([0-9]+)(:?)([A-Za-z]\d)?(?=\})";
        var regex = new Regex(pattern);
        var target = "{increase:0004} {increase:0005}";
        
        var result = regex.Matches(target, 0);
        
        foreach(var item in result)
            Console.WriteLine(item);
    }
}

Compilation error (line 12, col 36): The type or namespace name 'IRepository' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 20, col 37): The type or namespace name 'IRepository' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 46, col 63): The type or namespace name 'CancellationToken' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 46, col 18): The type or namespace name 'Task' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 74, col 68): The type or namespace name 'CancellationToken' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 74, col 18): The type or namespace name 'Task' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 95, col 59): The type or namespace name 'CancellationToken' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 95, col 18): The type or namespace name 'Task' could not be found (are you missing a using directive or an assembly reference?)

Last Run:	9:39:29 pm
Compile:	0s
Execute:	0.258s
Memory:	0b
CPU:	0s

View IL Code