Generate a constrained Regular Expression for the language that is described by the following: 1) all strings MUST begin with at least one 'a' character 2) all strings MUST end with EXACTLY one 'a' 3) between the 'a' characters are an unknown number of 'b', 'c', and 'd' characters. 4) the number of 'c' characters are at least one. 5) the number of 'b' characters is exactly the same as the number of 'd' characters.

Generate a constrained Regular Expression for the language that is described by the following: 1) all strings MUST begin with at least one 'a' character 2) all strings MUST end with EXACTLY one 'a' 3) between the 'a' characters are an unknown number of 'b', 'c', and 'd' characters. 4) the number of 'c' characters are at least one. 5) the number of 'b' characters is exactly the same as the number of 'd' characters.

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter15: Recursion

Section: Chapter Questions

Problem 6PE

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Question

Generate a constrained Regular Expression for the language that is described by the following:

1) all strings MUST begin with at least one 'a' character

2) all strings MUST end with EXACTLY one 'a'

3) between the 'a' characters are an unknown number of 'b', 'c', and 'd' characters.

4) the number of 'c' characters are at least one.

5) the number of 'b' characters is exactly the same as the number of 'd' characters.

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