Pattern Matching in C Programming


Code :



#include
#include
#include
#include

void Verification(char ref[50],char pattern[10]);

char ref[100];
char pattern[100];
int HoldCheckPoint[100]={0};

void main()
{
clrscr();
textcolor(YELLOW);
sleep(1);
cprintf("Give the text for referrence :-

");
gets(ref);
cprintf("

Now, Give the text to match : ");
gets(pattern);
if(strlen(pattern)>strlen(ref))
{
sleep(1);
cprintf("Your text is out of boundary !!!

");
sleep(1);
}
else
Verification(ref,pattern);
sleep(1);
clrscr();
cprintf(" Thank you for trying my application !!!");
getch();
}

void Verification(char ref[50],char pattern[10])
{
int i=0,j=0,signal=0,Occur=0;
do
{
if(ref[i]==pattern[j]) //Check for first character.
{
HoldCheckPoint[Occur]=i; /* Store the starting position of
matched word. */
Occur++;
signal=1;
j++;
while(j {
i++;
if(pattern[j]==ref[i]) /* Check whether next characters
are matching or not. */
j++;
else
{
Occur--;
HoldCheckPoint[Occur]=0;
/* If next character doesn't match, then
remove stored starting position of that pattern. */
break;
}
}
}
i++;
j=0;
}
while(ref[i]!='



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More Useful Topics...

 

History Of C..

In the beginning was Charles Babbage and his Analytical Engine, a machine
he built in 1822 that could be programmed to carry out different computations.
Move forward more than 100 years, where the U.S. government in
1942 used concepts from Babbage’s engine to create the ENIAC, the first
modern computer.
Meanwhile, over at the AT&T Bell Labs, in 1972 Dennis Ritchie was working
with two languages: B (for Bell) and BCPL (Basic Combined Programming
Language). Inspired by Pascal, Mr. Ritchie developed the C programming
language.

My 1st Program...


#include
#include
void main ()
{
clrscr ();
printf ("\n\n\n\n");
printf ("\t\t\t*******Pankaj *******\n");
printf ("\t\t\t********************************\n");
printf ("\t\t\t\"Life is Good...\"\n");
printf ("\t\t\t********************************");
getch ();
}

Next Step...


#include
#include

void main ()
{
clrscr ();
printf ("\n\n\n\n\n\n\n\n");
printf ("\t\t\t --------------------------- \n\n");

printf ("\t\t\t | IGCT, Info Computers, INDIA | \n\n");
printf ("\t\t\t --------------------------- ");

getch ();

}

Hits!!!