Describe how regular expressions are use in programming. For example, to define numbers, identifiers, keywords, etc.

Code to _develop software using a regular expression module to process the following phone numbers.you are to extract the area code,trunk, number, and optionally an extension for each number. You may use the regular expression module in the language of your choice, please note that we covered the syntax for Perl 5 which is imitated by python 3, javascript, C++, and C#. Java, too. 800-555-1212 800 555 1212 800.555.1212 (800) 555-1212 1-800-555-1212 800-555-1212-1234 800-555-1212x1234 800-555-1212ext. 1234 1-(800) 555.1212 #1234 Reporting: Demonstrate your results by outputting the extracted information for each input number. Your report should be one page and it should be include a discussion of your use of the regular expression module..

Why might a programmer decide to use a pointer or reference variable in languages that support them?

C Programming Language Assignment #4Introduction to C Programming – COP 3223Objectives1. To learn how to use loops for repeated execution2. To reinforce knowledge of If-Else statements for conditional executionIntroduction: Programmers for a Better TomorrowProgrammers for a Better Tomorrow is an organization dedicated to helping charities, medical societies, and scholarship organizations manage various tasks so that they can focus on making the world a better place! They have asked you and your classmates to help them develop some new programs to benefit their organizations.Problem: Scholarship Endowment Fund Part 2 (fund2.c)One division of Programmers for a Better Tomorrow is their Scholarship Endowment Fund. They provide yearly scholarships to students who need a hand in amounts of 1000, 500, and 250 dollars.The money for these scholarships comes from interest made on previous donations and investments. You will create a program to track the amount in the Fund as various donations…