new Regex('^\\d+$') 3 : Regular Expression « Regular Expression « C# / CSharp Tutorial

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11.	Data Structure
12.	Assembly
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C# / CSharp Tutorial » Regular Expression » Regular Expression

17.1.7.new Regex('^\\d+$') 3

using System;

using System.Collections.Generic;

using System.Globalization;

using System.Text;

using System.Text.RegularExpressions;

using System.Reflection;



public class MainClass{



   public static void Main(){

        Regex r = new Regex("^\\d+$");

        

        

        string[] ss = new string[] { "123abc", "abc123", "123", "abc", "a123bc" };



        foreach (string s in ss)

           Console.WriteLine(r.IsMatch(s));

   }

}

17.1.Regular Expression
	17.1.1.	Use Regular Expressions to split string
	17.1.2.	Do a replace using the Regex
	17.1.3.	Reverse
	17.1.4.	Regular Expresion Part
	17.1.5.	new Regex('^\\d+') 1
	17.1.6.	new Regex('\d+$') 2
	17.1.7.	new Regex('^\\d+$') 3
	17.1.8.	new Regex('(abc)\|(xyz)*') 1
	17.1.9.	new Regex('((abc)\|(xyz))*') 2
	17.1.10.	new Regex('((?:abc)\|(?:xyz))*') 3
	17.1.11.	new Regex(?(^\d)^\d+$\|^\D+$)
	17.1.12.	new Regex((abc)*)x(\1)
	17.1.13.	new Regex(^\d+$\n+, RegexOptions.Multiline)
	17.1.14.	new Regex((abc)*abc((abcd)\|z)bc)
	17.1.15.	new Regex(<[^>]+>[^<]*]+>): for XML tag
	17.1.16.	new Regex(<([^>]+)>[^<]*: for XML tag
	17.1.17.	Using RegEx

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