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C String Tokenizer 
 

In this section, you will learn how to use strtok() function to break the string into a series of tokens.

 

C String Tokenizer

                         

In this section, you will learn how to use strtok() function to break the string into a series of tokens. You can see in the given example, we have define a string and a pointer. The expression ch = strtok (st," ") extract the string from the string sequence one by one and printf ("%s\n", ch) prints the string after being tokenized. The expression ch = strtok (NULL, " ,") extract the whole string from the string sequence till the ch get equal to null.

Here is the code:

 

 

 

 

TOKENIZE.C

#include <stdio.h>
#include <conio.h>
#include <string.h>
int main() {
  char st[] ="Where there is will, there is a way.";
  char *ch;
  clrscr();
  printf("Split \"%s\"\n", st);
  ch = strtok(st, " ");
  while (ch != NULL) {
    printf("%s\n", ch);
    ch = strtok(NULL, " ,");
  }
  getch();
  return 0;
}

Output will be displayed as:

TOKENIZE.EXE

Download Source Code:

                         

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Related Tags: c ide function language fun io pointer vi int id address define poi unc add to point attach feature base

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Current Comments

2 comments so far (post your own) View All Comments Latest 10 Comments:

# include <iostream>
#include <cstdlib>
#include <string.h>

using namespace std;
int main(int argc, char* argv[])
{
string str;

cout<<"Input String "<<"\n";
getline(cin,str);
cout<<"String:"<<str<<endl;
cout<<";;;;;;;;;;;;;;;;;;"<<endl;
string com_rec= str.substr(0, 2);
string end = str.substr(2);
cout<<com_rec<<"\n";
cout<<end<<"\n";
string sou = end.substr(end.find_first_of(' '),end.find_last_of(' '));
cout<<"Source........."<<sou<<endl;
string des = end.substr(end.find_last_of(' '),end.length());
cout<<"Destination........."<<des<<endl;





}

Posted by Kaml Hyder on Friday, 04.10.09 @ 20:13pm | #86718

# include <iostream>
#include <cstdlib>
#include <string.h>

using namespace std;
int main(int argc, char* argv[])
{
string str;

cout<<"Input String "<<"\n";
getline(cin,str);
cout<<"String:"<<str<<endl;
cout<<";;;;;;;;;;;;;;;;;;"<<endl;
string com_rec= str.substr(0, 2);
string end = str.substr(2);
cout<<com_rec<<"\n";
cout<<end<<"\n";
string sou = end.substr(end.find_first_of(' '),end.find_last_of(' '));
cout<<"Source........."<<sou<<endl;
string des = end.substr(end.find_last_of(' '),end.length());
cout<<"Destination........."<<des<<endl;





}

Posted by Kaml Hyder on Friday, 04.10.09 @ 20:09pm | #86717
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