Question

How to remove leading zeros from a string in C#

Answer 1

using System;
using System.Text.RegularExpressions;

public class RemoveLeadingZerosFromString_CSharp {
    public static void Main(string[] args) {
        string str = "0003429865.9301";

        str = Regex.Replace(str, "^0+(?!$)", "");

        Console.WriteLine(str);
    }
}



/*
run:
 
3429865.9301
 
*/

 

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Answer 2

using System;

public class RemoveLeadingZerosFromString_CSharp
{
	public static string removeLeadingZeroes(string str) {
		int index = 0;

		while (index < str.Length && str[index] == '0') {
			index++;
		}

		return str.Substring(index);
	}
	
	public static void Main(string[] args)
	{
		string str = "0003429865.9301";

		str = removeLeadingZeroes(str);

		Console.WriteLine(str);
	}
}



/*
run:
 
3429865.9301
 
*/

 

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