Search string for occurrence of character set: how to use strcspn : String Search « String « C / ANSI-C

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C / ANSI-C » String » String Search Screenshots  Search string for occurrence of character set: how to use strcspn #include <stdio.h> #include <string.h> int main () {   char str1[] = "1245789000";   char str2[] = "1234567890";   int i;   i = strcspn (str1,str2);   printf ("The first number in str1 is str1[%d]\n", i);   return 0; }                     Related examples in the same category 1. Look up names in a hardcoded list 2. Finding occurrences of one string in another: strstr 3. A demonstration of seeking and finding 4. Find sub string: our own function 5. Search a char inside a string 6. Scan string for specified characters 7. Find last occurrence of character in string 8. Find substring 9. Search string for occurrence of character set 10. Search string 11. Scan string for specified characters: how to use strpbrk 12. Find last occurrence of character in string: how to use strrchr 13. Find substring: how to use strstr 14. Find character in string: how to use strchr