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CS 606-GDB Will Remained Open for Two Days From February 21, 2014 to February 24, 2014

Graded Discussion Board

Dear Students,

Graded Discussion Board will be launched on Friday February 21, 2014 and it will be remained open for two days (Feb 21 to Feb 24, 2014).

The topic of Graded Discussion Board:

Regular expressions and finite automata have been used in many applications other than compiling. For example Regular expressions have been widely used in text retrieval systems, in database query languages, in file processing languages like AWK and in printed circuits to describe imperfections. Many text editors also use regular expressions for context searches, e.g; QED text editor constructs a NFA from a regular expression. The UNIX system has three general purpose regular expression searching programs. Briefly discuss those searching programs in the context of regular expression patterns.



 A concise, coherent and to the point answer will be preferred over lengthy comment having irrelevant details. Your answer must not be more than 5-8 lines. Answer posted on regular Lesson's MDB or sent through email will NOT be considered in any case. Any request about such an acceptance will not be catered. Overseas students are required to post their GDBs according to the Pakistan Standard Time (PST).

 Best of Luck!


Compiler Construction ( CS606)

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Replies to This Discussion

Please discuss here about this GDB..

Please Discuss here about this GDB.Thanks

Our main purpose here discussion not just Solution

We are here with you hands in hands to facilitate your learning and do not appreciate the idea of copying or replicating solutions.

plz discuss about this GDB

Seems like no one is willing to start a discussion.


Anyway I will start.


This is information about regular expression search programs in this site.

But can anyone tell is there is any reference about it in the handouts?

Dear Students Don’t wait for solution post your problems here and discuss ... after discussion a perfect solution will come in a result. So, Start it now, replies here give your comments according to your knowledge and understandings....

No dear there is no any refference in Handouts

but we can get more information from


this link

Thanks for sharing something atleast!

lo g itna easy sa GDB hai bacho

+++*Be Natural*+++ her dafa yahiii khtay haen agr easy hae tu bhai sol idea day do 

You are really annoying.

Either share something or don't talk.


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