в 15:31, 26 мая 2010

2010-05-26T15:31:53Z

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2010-05-26T12:16:26Z

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==Replace characters==

<source lang="csharp">using System;

class MainClass {
public static void Main() {
string str = "This is a test";

Console.WriteLine("Original string: " + str);

// Replace characters
str = str.Replace("a", "X");
Console.WriteLine(str);

}
}</source>
<pre class=codeResult>Original string: This is a test
This is X test</pre>

==Replace string==

<source lang="csharp">using System;

class MainClass {
public static void Main() {
string str = "This test";

Console.WriteLine("Original string: " + str);

// Replace string
str = str.Replace("is", "was");
Console.WriteLine(str);

}
}</source>
<pre class=codeResult>Original string: This test
Thwas test</pre>

==Replace substring==

<source lang="csharp">using System;
class Class1
{
[STAThread]
static void Main(string[] args)
{
string replaceStr = "1234";
string dest = "ABCDEFGHWXYZ";
dest = dest.Replace( "EFGH", replaceStr );
Console.WriteLine( dest );
}
}</source>

==Reversing a String==

<source lang="csharp">class Palindrome
{
static void Main()
{
string reverse, palindrome;
char[] temp;
System.Console.Write("Enter a palindrome: ");
palindrome = System.Console.ReadLine();
reverse = palindrome.Replace(" ", "");
reverse = reverse.ToLower();
temp = reverse.ToCharArray();
System.Array.Reverse(temp);
if(reverse == new string(temp))
{
System.Console.WriteLine("\"{0}\" is a palindrome.",palindrome);
}
else
{
System.Console.WriteLine("\"{0}\" is NOT a palindrome.",palindrome);
}
}
}</source>

==Reversing Characters==

<source lang="csharp">using System;
using System.Text;
class Class1
{
[STAThread]
static void Main(string[] args)
{
string str = "abcdefghijklmnopqrstuvwxyz";
str = ReverseString( str );
Console.WriteLine( str );
str = ReverseStringEnum( str );
Console.WriteLine( str );
}
static string ReverseString( string strIn )
{
StringBuilder sb = new StringBuilder(strIn.Length);
for( int i = 0; i < strIn.Length; ++i )
{
sb.Append( strIn[(strIn.Length-1)-i] );
}
return sb.ToString();
}
static string ReverseStringEnum( string strIn )
{
StringBuilder sb = new StringBuilder( strIn.Length );
foreach( char ch in strIn )
{
sb.Insert( 0, ch );
}
return sb.ToString();
}
}</source>

==String Inserting==

<source lang="csharp">using System;

class MainClass {
public static void Main() {
string str = "This test";

Console.WriteLine("Original string: " + str);

// Insert
str = str.Insert(5, "is a ");
Console.WriteLine(str);

}
}</source>
<pre class=codeResult>Original string: This test
This is a test</pre>

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