Given the following specifications of an email: 1. An email address is defined as 'name@domain.org' or 'name@domain.net'. 2. The name is an alphanumeric string that is at least one character and less than or equal to 6 characters long. The only additional characters allowed are periods (.) but the email cannot start or end with a period. 3. The domain also consists of alphanumeric characters with no additional characters allowed. which of the following regular expressions will recognize an email correctly? Select one option only. O [A-Za-zO-9](?:[A-Za-zO-9.]{0,4}[A-Za-zO-9])?@[A-Za-zO-9]*(?:\.net|\.org) O [A-Za-z0-9](?:[A-Za-zO-9.]{0,5}[A-Za-zO-9])?@[A-Za-zO-9]+(?:\.net|\.org) O [A-Za-zO-9](?:[A-Za-zO-9.]{0,4}[A-Za-zO-9])?@[A-Za-zO-9]+.(?:net|org) O [A-Za-z0-9][A-Za-zO-9.]{0,4}[A-Za-zO-9]@[A-Za-z-9]+(?:\.net|\.org) O [A-Za-z0-9]{1,6}@[A-Za-z0-9]+(?:\.net|\.org) O [A-Za-z0-9](?:[A-Za-z0-9.]{0,4}[A-Za-zO-9])?@[A-Za-z0-9]+(?:\.net|\.org) O none of the options are correct

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
icon
Related questions
Question
Given the following specifications of an email:
1. An email address is defined as 'name@domain.org' or
'name@domain.net'.
2. The name is an alphanumeric string that is at least one character and
less than or equal to 6 characters long. The only additional characters
allowed are periods (.) but the email cannot start or end with a period.
3. The domain also consists of alphanumeric characters with
no additional characters allowed.
which of the following regular expressions will recognize an email
correctly? Select one option only.
O [A-Za-z0-9](?:[A-Za-z0-9.]{0,4}[A-Za-z0-9])?@[A-Za-zO-9]*(?:\.net|\.org)
O [A-Za-z0-9](?:[A-Za-zO-9.]{0,5}[A-Za-zO-9])?@[A-Za-zO-9]+(?:\.net|\.org)
O [A-Za-z0-9](?:[A-Za-zO-9.]{0,4}[A-Za-zO-9])?@[A-Za-zO-9]+.(?:net|org)
O [A-Za-z0-9][A-Za-zO-9.]{0,4}[A-Za-zO-9]@[A-Za-zO-9]+(?:\.net|\.org)
O [A-Za-z0-9]{1,6}@[A-Za-z0-9]+(?:\.net|\.org)
O [A-Za-z0-9](?:[A-Za-zO-9.]{0,4}[A-Za-zO-9])?@[A-Za-zO-9]+(?:\.net|\.org)
O none of the options are correct
Transcribed Image Text:Given the following specifications of an email: 1. An email address is defined as 'name@domain.org' or 'name@domain.net'. 2. The name is an alphanumeric string that is at least one character and less than or equal to 6 characters long. The only additional characters allowed are periods (.) but the email cannot start or end with a period. 3. The domain also consists of alphanumeric characters with no additional characters allowed. which of the following regular expressions will recognize an email correctly? Select one option only. O [A-Za-z0-9](?:[A-Za-z0-9.]{0,4}[A-Za-z0-9])?@[A-Za-zO-9]*(?:\.net|\.org) O [A-Za-z0-9](?:[A-Za-zO-9.]{0,5}[A-Za-zO-9])?@[A-Za-zO-9]+(?:\.net|\.org) O [A-Za-z0-9](?:[A-Za-zO-9.]{0,4}[A-Za-zO-9])?@[A-Za-zO-9]+.(?:net|org) O [A-Za-z0-9][A-Za-zO-9.]{0,4}[A-Za-zO-9]@[A-Za-zO-9]+(?:\.net|\.org) O [A-Za-z0-9]{1,6}@[A-Za-z0-9]+(?:\.net|\.org) O [A-Za-z0-9](?:[A-Za-zO-9.]{0,4}[A-Za-zO-9])?@[A-Za-zO-9]+(?:\.net|\.org) O none of the options are correct
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Form and its Elements
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education