What is the difference between substr and substring in SQL? - TimesMojo

(Check substrings) You can check whether a string is a substring of another string by using the f ind method in the str class. Write your own function to implement find. Write a program that prompts the user to enter two strings and then checks whether the first string is a substring of the second string. | Numerade

Excel Substring Functions: Learn How to Use Them - Udemy Blog