How to get Substring after Specific Character in C - Step by Step Examples

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How to get Substring after Specific Character in C ?

Answer

To get the substring after a specific character in C, you can use pointer arithmetic and array indexing.

✐ Examples

1 Substring After '/' in "https://example.com/page"

In this example,

We create a character array named url with a value of "https://example.com/page".
We find the position of '/' using a loop and pointer arithmetic.
We copy the substring after the position to a new array.
Finally, we display the substring.

C Program

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

int main() {
    char url[] = "https://example.com/page";
    char substring[100];
    char *ptr = strchr(url, '/');
    if (ptr != NULL) {
        strcpy(substring, ptr + 1);
        printf("Substring after '/': %s\n", substring);
    }
    return 0;
}

Output

Substring after '/': /example.com/page

2 Substring After ',' in "Hello,World"

In this example,

We create a character array named str with a value of "Hello,World".
We find the position of ',' using a loop and pointer arithmetic.
We copy the substring after the position to a new array.
Finally, we display the substring.

C Program

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

int main() {
    char str[] = "Hello,World";
    char substring[100];
    char *ptr = strchr(str, ',');
    if (ptr != NULL) {
        strcpy(substring, ptr + 1);
        printf("Substring after ',': %s\n", substring);
    }
    return 0;
}

Output

Substring after ',': World

Summary

In this tutorial, we learned How to get Substring after Specific Character in C language with well detailed examples.

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