C program to find the last occurrences of a word in a string; Through this tutorial, we will learn how to find the last occurrences of a word in a string using for loop, while loop, and functions in c programs.
Programs to Find Last Occurrence of a Word in a String in C
Using the following programs to find the last occurrences of a word in a string using for loop, while loop, and functions in c:
- C Program to Find Last Occurrence of a Word in a String using For Loop
- C Program to Find Last Occurrence of a Word in a String using While Loop
- C Program to Find Last Occurrence of a Word in a String using Function
C Program to Find Last Occurrence of a Word in a String using For Loop
/* C Program to Find First Occurrence of a Word in a String */
#include <stdio.h>
int main()
{
char str[100], word[100];
int i, j, Flag;
printf("\n Please Enter any String : ");
gets(str);
printf("Enter word to be searched: ");
gets(word);
for(i = 0; str[i] != '/* C Program to Find First Occurrence of a Word in a String */
#include <stdio.h>
int main()
{
char str[100], word[100];
int i, j, Flag;
printf("\n Please Enter any String : ");
gets(str);
printf("Enter word to be searched: ");
gets(word);
for(i = 0; str[i] != '/* C Program to Find First Occurrence of a Word in a String */
#include <stdio.h>
int main()
{
char str[100], word[100];
int i, j, Flag;
printf("\n Please Enter any String : ");
gets(str);
printf("Enter word to be searched: ");
gets(word);
for(i = 0; str[i] != '\0'; i++)
{
if(str[i] == word[0])
{
Flag = 1;
for(j = 0; word[j] != '\0'; j++)
{
if(str[i + j] != word[j])
{
Flag = 0;
break;
}
}
}
if(Flag == 1)
{
break;
}
}
if(Flag == 0)
{
printf("\n Sorry!! We haven't found the Word '%s' ", word);
}
else
{
printf("\n We found '%s' at position %d ", word, i + 1);
}
return 0;
}'; i++)
{
if(str[i] == word[0])
{
Flag = 1;
for(j = 0; word[j] != '/* C Program to Find First Occurrence of a Word in a String */
#include <stdio.h>
int main()
{
char str[100], word[100];
int i, j, Flag;
printf("\n Please Enter any String : ");
gets(str);
printf("Enter word to be searched: ");
gets(word);
for(i = 0; str[i] != '\0'; i++)
{
if(str[i] == word[0])
{
Flag = 1;
for(j = 0; word[j] != '\0'; j++)
{
if(str[i + j] != word[j])
{
Flag = 0;
break;
}
}
}
if(Flag == 1)
{
break;
}
}
if(Flag == 0)
{
printf("\n Sorry!! We haven't found the Word '%s' ", word);
}
else
{
printf("\n We found '%s' at position %d ", word, i + 1);
}
return 0;
}'; j++)
{
if(str[i + j] != word[j])
{
Flag = 0;
break;
}
}
}
if(Flag == 1)
{
break;
}
}
if(Flag == 0)
{
printf("\n Sorry!! We haven't found the Word '%s' ", word);
}
else
{
printf("\n We found '%s' at position %d ", word, i + 1);
}
return 0;
}'; i++)
{
if(str[i] == word[0])
{
Flag = 1;
for(j = 0; word[j] != '/* C Program to Find First Occurrence of a Word in a String */
#include <stdio.h>
int main()
{
char str[100], word[100];
int i, j, Flag;
printf("\n Please Enter any String : ");
gets(str);
printf("Enter word to be searched: ");
gets(word);
for(i = 0; str[i] != '/* C Program to Find First Occurrence of a Word in a String */
#include <stdio.h>
int main()
{
char str[100], word[100];
int i, j, Flag;
printf("\n Please Enter any String : ");
gets(str);
printf("Enter word to be searched: ");
gets(word);
for(i = 0; str[i] != '\0'; i++)
{
if(str[i] == word[0])
{
Flag = 1;
for(j = 0; word[j] != '\0'; j++)
{
if(str[i + j] != word[j])
{
Flag = 0;
break;
}
}
}
if(Flag == 1)
{
break;
}
}
if(Flag == 0)
{
printf("\n Sorry!! We haven't found the Word '%s' ", word);
}
else
{
printf("\n We found '%s' at position %d ", word, i + 1);
}
return 0;
}'; i++)
{
if(str[i] == word[0])
{
Flag = 1;
for(j = 0; word[j] != '/* C Program to Find First Occurrence of a Word in a String */
#include <stdio.h>
int main()
{
char str[100], word[100];
int i, j, Flag;
printf("\n Please Enter any String : ");
gets(str);
printf("Enter word to be searched: ");
gets(word);
for(i = 0; str[i] != '\0'; i++)
{
if(str[i] == word[0])
{
Flag = 1;
for(j = 0; word[j] != '\0'; j++)
{
if(str[i + j] != word[j])
{
Flag = 0;
break;
}
}
}
if(Flag == 1)
{
break;
}
}
if(Flag == 0)
{
printf("\n Sorry!! We haven't found the Word '%s' ", word);
}
else
{
printf("\n We found '%s' at position %d ", word, i + 1);
}
return 0;
}'; j++)
{
if(str[i + j] != word[j])
{
Flag = 0;
break;
}
}
}
if(Flag == 1)
{
break;
}
}
if(Flag == 0)
{
printf("\n Sorry!! We haven't found the Word '%s' ", word);
}
else
{
printf("\n We found '%s' at position %d ", word, i + 1);
}
return 0;
}'; j++)
{
if(str[i + j] != word[j])
{
Flag = 0;
break;
}
}
}
if(Flag == 1)
{
break;
}
}
if(Flag == 0)
{
printf("\n Sorry!! We haven't found the Word '%s' ", word);
}
else
{
printf("\n We found '%s' at position %d ", word, i + 1);
}
return 0;
}
The Output of the above c program; as follows:
Please Enter any String : hello my dear friend Enter word to be searched: dear We found 'dear' at position 10
C Program to Find Last Occurrence of a Word in a String using While Loop
/* C Program to Find First Occurrence of a Word in a String */
#include <stdio.h>
int main()
{
char str[100], word[100];
int i, j, Flag;
printf("\n Please Enter any String : ");
gets(str);
printf("Enter word to be searched: ");
gets(word);
for(i = 0; str[i] != '/* C Program to Find First Occurrence of a Word in a String */
#include <stdio.h>
int main()
{
char str[100], word[100];
int i, j, Flag;
printf("\n Please Enter any String : ");
gets(str);
printf("Enter word to be searched: ");
gets(word);
for(i = 0; str[i] != '/* C Program to Find First Occurrence of a Word in a String */
#include <stdio.h>
int main()
{
char str[100], word[100];
int i, j, Flag;
printf("\n Please Enter any String : ");
gets(str);
printf("Enter word to be searched: ");
gets(word);
for(i = 0; str[i] != '\0'; i++)
{
if(str[i] == word[0])
{
Flag = 1;
for(j = 0; word[j] != '\0'; j++)
{
if(str[i + j] != word[j])
{
Flag = 0;
break;
}
}
}
if(Flag == 1)
{
break;
}
}
if(Flag == 0)
{
printf("\n Sorry!! We haven't found the Word '%s' ", word);
}
else
{
printf("\n We found '%s' at position %d ", word, i + 1);
}
return 0;
}'; i++)
{
if(str[i] == word[0])
{
Flag = 1;
for(j = 0; word[j] != '/* C Program to Find First Occurrence of a Word in a String */
#include <stdio.h>
int main()
{
char str[100], word[100];
int i, j, Flag;
printf("\n Please Enter any String : ");
gets(str);
printf("Enter word to be searched: ");
gets(word);
for(i = 0; str[i] != '\0'; i++)
{
if(str[i] == word[0])
{
Flag = 1;
for(j = 0; word[j] != '\0'; j++)
{
if(str[i + j] != word[j])
{
Flag = 0;
break;
}
}
}
if(Flag == 1)
{
break;
}
}
if(Flag == 0)
{
printf("\n Sorry!! We haven't found the Word '%s' ", word);
}
else
{
printf("\n We found '%s' at position %d ", word, i + 1);
}
return 0;
}'; j++)
{
if(str[i + j] != word[j])
{
Flag = 0;
break;
}
}
}
if(Flag == 1)
{
break;
}
}
if(Flag == 0)
{
printf("\n Sorry!! We haven't found the Word '%s' ", word);
}
else
{
printf("\n We found '%s' at position %d ", word, i + 1);
}
return 0;
}'; i++)
{
if(str[i] == word[0])
{
Flag = 1;
for(j = 0; word[j] != '/* C Program to Find First Occurrence of a Word in a String */
#include <stdio.h>
int main()
{
char str[100], word[100];
int i, j, Flag;
printf("\n Please Enter any String : ");
gets(str);
printf("Enter word to be searched: ");
gets(word);
for(i = 0; str[i] != '/* C Program to Find First Occurrence of a Word in a String */
#include <stdio.h>
int main()
{
char str[100], word[100];
int i, j, Flag;
printf("\n Please Enter any String : ");
gets(str);
printf("Enter word to be searched: ");
gets(word);
for(i = 0; str[i] != '\0'; i++)
{
if(str[i] == word[0])
{
Flag = 1;
for(j = 0; word[j] != '\0'; j++)
{
if(str[i + j] != word[j])
{
Flag = 0;
break;
}
}
}
if(Flag == 1)
{
break;
}
}
if(Flag == 0)
{
printf("\n Sorry!! We haven't found the Word '%s' ", word);
}
else
{
printf("\n We found '%s' at position %d ", word, i + 1);
}
return 0;
}'; i++)
{
if(str[i] == word[0])
{
Flag = 1;
for(j = 0; word[j] != '/* C Program to Find First Occurrence of a Word in a String */
#include <stdio.h>
int main()
{
char str[100], word[100];
int i, j, Flag;
printf("\n Please Enter any String : ");
gets(str);
printf("Enter word to be searched: ");
gets(word);
for(i = 0; str[i] != '\0'; i++)
{
if(str[i] == word[0])
{
Flag = 1;
for(j = 0; word[j] != '\0'; j++)
{
if(str[i + j] != word[j])
{
Flag = 0;
break;
}
}
}
if(Flag == 1)
{
break;
}
}
if(Flag == 0)
{
printf("\n Sorry!! We haven't found the Word '%s' ", word);
}
else
{
printf("\n We found '%s' at position %d ", word, i + 1);
}
return 0;
}'; j++)
{
if(str[i + j] != word[j])
{
Flag = 0;
break;
}
}
}
if(Flag == 1)
{
break;
}
}
if(Flag == 0)
{
printf("\n Sorry!! We haven't found the Word '%s' ", word);
}
else
{
printf("\n We found '%s' at position %d ", word, i + 1);
}
return 0;
}'; j++)
{
if(str[i + j] != word[j])
{
Flag = 0;
break;
}
}
}
if(Flag == 1)
{
break;
}
}
if(Flag == 0)
{
printf("\n Sorry!! We haven't found the Word '%s' ", word);
}
else
{
printf("\n We found '%s' at position %d ", word, i + 1);
}
return 0;
}
The Output of the above c program; as follows:
Please Enter any String : welcome to programming world Enter word to be searched: to We found 'to' at position 9
C Program to Find Last Occurrence of a Word in a String using Function
#include <stdio.h>
#include <string.h>
int check(char *s,char *w)
{
int n,a[1000],i,j,k=0,l,found=0,t=0;
for(i=0;s[i];i++)
{
if(s[i]==' ')
{
a[k++]=i;
}
}
a[k++]=i;
j=0;
for(i=0;i<k;i++)
{
n=a[i]-j;
if(n==strlen(w))
{
t=0;
for(l=0;w[l];l++)
{
if(s[l+j]==w[l])
{
t++;
}
}
}
if(t==strlen(w))
{
found=1;
break;
}
j=a[i]+1;
}
if(found)
return j;
return -1;
}
int main()
{
char s[1000],w[1000];
int n;
printf("Enter the string : ");
gets(s);
printf("Enter word to be searched: ");
gets(w);
n=check(s,w);
if(n>=0)
printf("word %s is first occurred at location:%d ",w,n);
else
printf("word is not occurred in the string ");
}
The Output of the above c program; as follows:
Enter the string : hello dear good morning Enter word to be searched: good word good is first occurred at location:11
