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C Programming Source Codes & Study Notes-Free Download


C Program For REPLACE OF STRING.

void main()

{

char a[100],b[100],c[100],d[100];

int i,j,k,l1,l2,l3,m,count=-1;

clrscr();

printf("\t\t\t REPLACE OF STRING ");

printf("\n\t\t\t ********************");

printf("\n\n\tINPUT");

printf("\n\t*******");

printf("\n\nEnter the first String:");

scanf("%[a-z ]s",a);

printf("\nEnter the substring:");

scanf("%s",b);

printf("\nEnter the replace string:");

scanf("%s",c);

printf("\n\n\tOUTPUT");

printf("\n\t*******");

for(i=0;a[i]!='\0';i++)

l1=i;

for(i=0;b[i]!='\0';i++)

l2=i;

for(i=0;c[i]!='\0';i++)

l3=i;

for(i=0;a[i]!='\0';i++)

d[i]=a[i];

d[i]='\0';

if(l1>=l2)

{

do

{

for(i=0,j=0;a[i]!='\0' && b[j]!='\0';i++ )

{

if(a[i]==b[j])

{

count++;

j++;

}

else

{

count=-1;

if(j>0)

i--;

j=0;

}

}

m=i;

if(count==l2)

{

i=i-j;

for(k=0;c[k]!='\0';i++,k++)

a[i]=c[k];

if(l2!=l3)

{

for( ;d[m]!='\0';m++,i++)

{

a[i]=d[m];

}

}

//a[i]='\0';

//printf("\nReplaced string:%s",a);

}

else

break;

//printf("\nThe substring is not there");

}while(a[i]!='\0');

printf("\nReplaced string:%s",a);

}

getch();

}


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