Dec 12, 2018 · As the title mention, I want to check if a substring is found or not into another string. The idea is to compare the first character of the text variable with the pattern variable, …

Jan 15, 2025 · But in this article, we will learn how to print the substring without using any string function or loops. The simplest method for printing a substring of a string is by using recursion. …

Apr 13, 2020 · To extract the substring, first we have to traverse the string 'str1', and take the pointer 'ptr1' to the position 'pos'. for(i=0;i<pos;i++) {ptr1++;} Now, starting from position 'pos', …

Mar 11, 2025 · This article introduces how to get a substring in C, covering various methods like custom functions, `strncpy`, and pointer arithmetic. Learn to manipulate strings efficiently and …

In C, you can find a substring within a string using various methods, including standard library functions like strstr() and strchr(), as well as custom implementations. These functions help …

Apr 13, 2015 · char *find_substr(char *string, char *substr) { for (;;) { if (*string == *substr) { for (char *p1 = string, *p2 = substring;;) { if (!*p2) return string; if (*p1++ != *p2++) break; } } if …

C substring program using pointers. To find substring we create a substring function which returns a pointer to string. String address, required length of substring and position from where to …

Dec 6, 2024 · Iterate the string from the given position using a loop and copy the specified number of characters from this position to the substring. char s[] = "Hello, Geeks!"; The above …

Mar 20, 2025 · Write a C program to extract a substring from a string using pointer arithmetic based on a given start index and length. Write a C program to extract and print a substring …

To extract one or all substrings in C using a basic approach, followed by user-defined function and pointers as well. Substring is a set of a continuous sequence of characters within a string.