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Creating a String Tokenizer class in c#
A number of languaes provide a simple method for separating string into tokens where each token is separated by a specific character. C# does not provide a class for this feature, so we are going to write one.
Our goal would be to pass the string for example
Mary had a little lamb
our class would return
Mary
had
a
little
lamb
using System;
namespace stringtokenizer
{
///
/// Summary description for token.
///
public class token
{
private string data,delimeter;
private string[] tokens;
private int index;
public token(string strdata)
{
//
// TODO: Add constructor logic here
//
init(strdata," ");
}
private void init(string strdata, string delim)
{
data = strdata;
delimeter = delim;
tokens = data.Split(delimeter.ToCharArray());
index = 0;
}
public bool hasElements()
{
return (index < (tokens.Length));
}
public string nextElement()
{
if(index < tokens.Length)
{
return tokens[index++];
}
else
{
return "";
}
}
}
}
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Call this from a button event
private void button1_Click(object sender, System.EventArgs e)
{
token tk = new token("Mary had a little lamb");
while(tk.hasElements())
{
Console.Write(tk.nextElement());
}
}
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hope this class will be of some help to people
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