Composing and Using Regular Expressions
Regular expressions became popular with the introduction of the UNIX operating system in 1960s and its text processing tools such as grep and ed.
Write a two to three (2-3) page paper in which you:
1. Define regular expressions and explain their purpose.
2. Provide at least three (3) examples which demonstrate the way regular expressions work.
3. Examine the shortcomings of regular expressions and describe at least two (2) situations where using them might be inappropriate.
4. Use at least three (3) quality resources in this assignment. Note: Wikipedia and similar Websites do not qualify as quality resources.
5. Format your assignment according to the following formatting requirements:
a. Typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides.
b. Include a cover page containing the title of the assignment, the student’s name, the professor’s name, the course title, and the date. The cover page is not included in the required page length.
c. Include a reference page. Citations and references must follow APA format. The reference page is not included in the required page length.
The specific course learning outcomes associated with this assignment are:
· Identify and create simple regular expressions.
· Use technology and information resources to research issues in operating systems.
· Write clearly and concisely about UNIX / Linux topics using proper writing mechanics and technical style conventions.
Rubric:
| Points: 50 | Assignment 2: Composing and Using Regular Expressions | ||||
| Criteria | UnacceptableBelow 60% F | Meets Minimum Expectations60-69% D | Fair70-79% C | Proficient80-89% B | Exemplary90-100% A |
| 1. Define regular expressions and explain their purpose.Weight: 10% | Did not submit or incompletelydefined regular expressions and did not submit or incompletelyexplained their purpose. | Insufficiently defined regular expressions and insufficiently explained their purpose. | Partially defined regular expressions and partially explained their purpose. | Satisfactorily defined regular expressions and satisfactorily explained their purpose. | Thoroughly defined regular expressions and thoroughly explained their purpose. |
| 2. Provide at least three (3) examples which demonstrate the way regular expressions work. Weight: 25% | Did not submit or incompletely provided at least three (3) examples which demonstrate the way regular expressions work. | Insufficiently provided at least three (3) examples which demonstrate the way regular expressions work. | Partially provided at least three (3) examples which demonstrate the way regular expressions work. | Satisfactorily provided at least three (3) examples which demonstrate the way regular expressions work. | Thoroughly provided at least three (3) examples which demonstrate the way regular expressions work. |
| 3. Examine the shortcomings of regular expressions and describe at least two (2) situations where using them might be inappropriate.Weight: 25% | Did not submit or incompletelyexamined the shortcomings of regular expressions and did not submit or incompletely described at least two (2) situations where using them might be inappropriate. | Insufficiently examined the shortcomings of regular expressions and insufficiently described at least two (2) situations where using them might be inappropriate. | Partially examined the shortcomings of regular expressions and partially described at least two (2) situations where using them might be inappropriate. | Satisfactorily examined the shortcomings of regular expressions and satisfactorily described at least two (2) situations where using them might be inappropriate. | Thoroughly examined the shortcomings of regular expressions and thoroughly described at least two (2) situations where using them might be inappropriate. |
| 4. 3 referencesWeight: 5% | No references provided | Does not meet the required number of references; all references poor quality choices. | Does not meet the required number of references; some references poor quality choices. | Meets number of required references; all references high quality choices. | Exceeds number of required references; all references high quality choices. |
| 5. Clarity, writing mechanics, and formatting requirementsWeight: 10% | More than 8 errors present | 7-8 errors present | 5-6 errors present | 3-4 errors present | 0-2 errors present |
