C Tutorial/Wide Character String/Wide Character String Search

Find occurrences of one wide character string in another wide character string

<source lang="cpp">#include <stdio.h>

1. include <wchar.h>

int main(void) {

 wchar_t text[100];
 wchar_t substring[40];
 printf("\nEnter the string to be searched(less than 100 characters):\n");
 fgetws(text, 100, stdin);
 printf("\nEnter the string sought (less than 40 characters ):\n");
 fgetws(substring, 40, stdin);
 text[wcslen(text)-1] = L"\0";
 substring[wcslen(substring)-1] = L"\0";
 printf("\nFirst string entered:\n%S\n", text);
 printf("\nSecond string entered:\n%S\n", substring);
 int i;
 for(i = 0 ; (text[i] = towupper(text[i])) ; i++);
 for(i = 0 ; (substring[i] = towupper(substring[i])) ; i++);
 printf("\nThe second string %s found in the first.",((wcsstr(text, substring) == NULL) ? "was not" : "was"));
 return 0;

}</source>

Enter the string to be searched(less than 100 characters):
asdfasdfasdfasdfasdf
Enter the string sought (less than 40 characters ):
as
First string entered:
asdfasdfasdfasdfasdf
Second string entered:
as
The second string was found in the first.