using System;
using System.Text;
class SplitStringApp {
static void Main(string[] args) {
string t = "Once,Upon:A/TimeIn'America";
char[] sep2 = new char[]{' ', ',', ':', '/', '', '''};
foreach (string ss in t.Split(sep2))
Console.WriteLine(ss);
}
}
ASP.NET & Csharp (C#)
ASP.NET & Csharp (C#) , Here you can find my posts about .NET c# .
Split with space
using System;
using System.Text;
class SplitStringApp
{
static void Main(string[] args)
{
string s = "Once Upon A Time In America";
char[] seps = new char[]{' '};
foreach (string ss in s.Split(seps))
Console.WriteLine(ss);
}
}
String split and search
/*
Learning C#
by Jesse Liberty
Publisher: O'Reilly
ISBN: 0596003765
*/
using System;
using System.Text;
namespace StringSearch
{
public class TesterStringSearch1
{
public void Run()
{
// create some strings to work with
string s1 = "One,Two,Three Liberty Associates, Inc.";
// constants for the space and comma characters
const char Space = ' ';
const char Comma = ',';
// array of delimiters to split the sentence with
char[] delimiters = new char[]
{
Space,
Comma
};
// use a StringBuilder class to build the
// output string
StringBuilder output = new StringBuilder();
int ctr = 1;
// split the string and then iterate over the
// resulting array of strings
foreach (string subString in s1.Split(delimiters))
{
// AppendFormat appends a formatted string
output.AppendFormat("{0}: {1}
",ctr++,subString);
}
Console.WriteLine(output);
}
[STAThread]
static void Main()
{
TesterStringSearch1 t = new TesterStringSearch1();
t.Run();
}
}
}
String search Demo
/*
Learning C#
by Jesse Liberty
Publisher: O'Reilly
ISBN: 0596003765
*/
using System;
namespace StringSearch
{
public class TesterStringSearch
{
public void Run()
{
// create some strings to work with
string s1 = "One,Two,Three Liberty Associates, Inc. ";
// constants for the space and comma characters
const char Space = ' ';
const char Comma = ',';
// array of delimiters to split the sentence with
char[] delimiters = new char[]
{
Space,
Comma
};
string output = "";
int ctr = 1;
// split the string and then iterate over the
// resulting array of strings
String[] resultArray = s1.Split(delimiters);
foreach (String subString in resultArray)
{
output += ctr++;
output += ": ";
output += subString;
output += "
";
}
Console.WriteLine(output);
}
static void Main()
{
TesterStringSearch t = new TesterStringSearch();
t.Run();
}
}
}
String search: last index
/*
Learning C#
by Jesse Liberty
Publisher: O'Reilly
ISBN: 0596003765
*/
using System;
namespace StringSearch
{
public class TesterStringLastIndex
{
public void Run()
{
// create some strings to work with
string s1 = "One Two Three Four";
int index;
// get the index of the last space
index=s1.LastIndexOf(" ");
// get the last word.
string s2 = s1.Substring(index+1);
// set s1 to the substring starting at 0
// and ending at index (the start of the last word
// thus s1 has one two three
s1 = s1.Substring(0,index);
// find the last space in s1 (after two)
index = s1.LastIndexOf(" ");
// set s3 to the substring starting at
// index, the space after "two" plus one more
// thus s3 = "three"
string s3 = s1.Substring(index+1);
// reset s1 to the substring starting at 0
// and ending at index, thus the string "one two"
s1 = s1.Substring(0,index);
// reset index to the space between
// "one" and "two"
index = s1.LastIndexOf(" ");
// set s4 to the substring starting one
// space after index, thus the substring "two"
string s4 = s1.Substring(index+1);
// reset s1 to the substring starting at 0
// and ending at index, thus "one"
s1 = s1.Substring(0,index);
// set index to the last space, but there is
// none so index now = -1
index = s1.LastIndexOf(" ");
// set s5 to the substring at one past
// the last space. there was no last space
// so this sets s5 to the substring starting
// at zero
string s5 = s1.Substring(index+1);
Console.WriteLine ("s2: {0}
s3: {1}",s2,s3);
Console.WriteLine ("s4: {0}
s5: {1}
",s4,s5);
Console.WriteLine ("s1: {0}
",s1);
}
static void Main()
{
TesterStringLastIndex t = new TesterStringLastIndex();
t.Run();
}
}
}
use the IndexOf() and LastIndexOf() methods to search for substrings and characters;
using System;
class MainClass {
public static void Main() {
string[] myStrings = {"To", "be", "or", "not","to", "be"};
string myString = String.Join(".", myStrings);
int index = myString.IndexOf("be");
Console.WriteLine(""be" first occurs at index " + index + " of myString");
index = myString.LastIndexOf("be");
Console.WriteLine(""be" last occurs at index " + index + " of myString");
index = myString.IndexOf('b');
Console.WriteLine("'b' first occurs at index " + index + " of myString");
index = myString.LastIndexOf('b');
Console.WriteLine("'b' last occurs at index " + index + " of myString");
}
}
Search strings
/*
C#: The Complete Reference
by Herbert Schildt
Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Search strings.
using System;
public class StringSearchDemo {
public static void Main() {
string str = "C# has powerful string handling.";
int idx;
Console.WriteLine("str: " + str);
idx = str.IndexOf('h');
Console.WriteLine("Index of first 'h': " + idx);
idx = str.LastIndexOf('h');
Console.WriteLine("Index of last 'h': " + idx);
idx = str.IndexOf("ing");
Console.WriteLine("Index of first "ing": " + idx);
idx = str.LastIndexOf("ing");
Console.WriteLine("Index of last "ing": " + idx);
char[] chrs = { 'a', 'b', 'c' };
idx = str.IndexOfAny(chrs);
Console.WriteLine("Index of first 'a', 'b', or 'c': " + idx);
if(str.StartsWith("C# has"))
Console.WriteLine("str begins with "C# has"");
if(str.EndsWith("ling."))
Console.WriteLine("str ends with "ling."");
}
}