The program to replace a substring in a string is discussed here. The steps for replacing a substring with another string are given below.

Input:nnhi hellonstring to be replaced: hinstring to be replaced with: heynnoutput: hey hellon

Algorithm to Replace a Substring in a String

• Input the full string (s1).
• Input the substring from the full string (s2).
• Input the string to be replaced with the substring (s3).
• Find the substring from the full string and replace the new substring with the old substring (Find s2 from s1 and replace s1 by s3).

Program to Replace a Substring in a String

Asked in recruitment drive of Wipro.n

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