# Answer to Question #49915 in Other Programming & Computer Science for jeshani

Question #49915

Write a regular expression to describe each of the following programming language constructs:

(a) Any sequence of tabs and white spaces

(b) Comments in a language the students are familiar with (For Ex. C programming language ).

(c) Algebraic expressions involving addition, subtraction, multiplication and division, for an

alphabet Σ = {+,−,×,÷,id }. Here id stands for an identifier.

(a) Any sequence of tabs and white spaces

(b) Comments in a language the students are familiar with (For Ex. C programming language ).

(c) Algebraic expressions involving addition, subtraction, multiplication and division, for an

alphabet Σ = {+,−,×,÷,id }. Here id stands for an identifier.

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