How to Extract a Substring in Microsoft Excel

Frequency of a Substring in a String - GeeksforGeeks

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

JavaScript Substring Examples - Slice, Substr, and Substring Methods in JS

describe the action of the indexof and substring methods explain how these methods can be used to divide an existing string into two parts why is it necessary to add 1 to the position of the 50767

5 Ways to Find the Index of a Substring in Python | Built In