new Regex(?(^\d)^\d+$|^\D+$) : Regular Expression « Regular Expression « C# / CSharp Tutorial

C# / CSharp Tutorial

1.	Language Basics
2.	Data Type
3.	Operator
4.	Statement
5.	String
6.	struct
7.	Class
8.	Operator Overload
9.	delegate
10.	Attribute
11.	Data Structure
12.	Assembly
13.	Date Time
14.	Development
15.	File Directory Stream
16.	Preprocessing Directives
17.	Regular Expression
18.	Generic
19.	Reflection
20.	Thread
21.	I18N Internationalization
22.	GUI Windows Forms
23.	2D
24.	Design Patterns
25.	Windows
26.	XML
27.	ADO.Net
28.	Network
29.	Directory Services
30.	Security
31.	unsafe

Java Source Code / Java Documentation

Java Open Source

Jar File Download

Photoshop Tutorial

C# / CSharp Open Source

ASP.NET Tutorial

JavaScript DHTML

JavaScript Tutorial

JavaScript Reference

HTML CSS Reference

Python Tutorial

Python Open Source

SQL Server / T-SQL

SQL Server / T-SQL Tutorial

Oracle PL / SQL

Oracle PL/SQL Tutorial

VB.Net Tutorial

Flash / Flex / ActionScript

VBA / Excel / Access / Word

Microsoft Office PowerPoint 2007 Tutorial

Microsoft Office Excel 2007 Tutorial

Microsoft Office Word 2007 Tutorial

C# / CSharp Tutorial » Regular Expression » Regular Expression

17. 1. 11. new Regex(?(^\d)^\d+$|^\D+$)


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)^\d+$|^\D+$)");



        Console.WriteLine(r.Match("cat too"));

        Console.WriteLine(r.Match("dag"));

        Console.WriteLine(r.Match("2else"));



   }

}

cat too
dag

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

w__w__w__._j___a___v_a2___s___.___c___o__m___ | Contact Us

Copyright 2003 - 08 Demo Source and Support. All rights reserved.

All other trademarks are property of their respective owners.