C#正则表达式应用范例

The following example shows the use of Regular Expresssions in C#.This program has basic validation scripts for validation easily useable in all programs.

/*

<HowToCompile>

csc /r:System.Text.RegularExpressions.dll,System.dll Validation.cs

</HowToComplie>

*/

using System.Text.RegularExpressions;

using System;

class Validation

{

public static void Main()

{

String strToTest;

Validation objValidate=new Validation();

Console.Write("Enter a String to Test for Alphabets:");

strToTest=Console.ReadLine();

if(objValidate.IsAlpha(strToTest))

{

Console.WriteLine("{0} is Valid Alpha String",strToTest);

}

else

{

Console.WriteLine("{0} is not a Valid Alpha String",strToTest);

}

}

// Function to test for Positive Integers.