Question

How to split a string into an array by delimiter and remove empty elements in C

Answer 1

#include <stdio.h>
#include <string.h>

int split_string_into_array_by_delimiter(char s[], char *arr[132]) {
    int count = 0;
    char *token = strtok(s, ",");
    
    while (token != NULL) {
        arr[count++] = token;
        token = strtok(NULL, ",");
    }
    
    return count;
}

int main(int argc, char *argv[]) {
    char s[] = "C#,Java,,C,,,Python,,,,,C++,,";
    char *arr[132];
    
    int count = split_string_into_array_by_delimiter(s, arr);
    
    for (int i = 0; i < count; i++) {
        printf("%s\n", arr[i]);
    }
    
    return 0;
}


/*
run:

C#
Java
C
Python
C++

*/

 

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