#finding out regular expression for given regular language

Question

I am finding very difficulty to find out regular expression for given regular language. Kindly explain me the entire procedure to get the correct answer in minimum tume.

Thanks & Regards,

Kiran Watts

Comments

From gate point of view or for learning point of view?

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From cbsenet point of view.

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From any point of view, it comes only through practice, don't worry, you will be able to do it/ understand the trick once you've done enough numericals. It takes time to get a grip on any concept.

Answer 1

It becomes very hard to derive a regular expression from a regular language As Regular expressions are non deterministic in nature

Yes, you can practice a lot and get comfortable in it

But a better approach is to Draw a dfa for that language and deriving the regular expression from tht dfa

As it is easy to draw a dfa for a given language

And it is very easy to derive a regular expression from a dfa