Question: Compiler development regular expression 3) (b) A number-string is a non-empty sequence of decimal digits, i.e., something in the language defined by the regular expression

Compiler development regular expression

3) (b) A number-string is a non-empty sequence of decimal digits, i.e., something in the language defined by the regular expression [0-91+. The value of a number-string is the usual interpretation of a number-string as an integer number. Note that leading zeroes are allowed. Construct a regular expression that describes the following language: All number-strings that can not have the value 45 Your

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

In the following, a number-string is a non-empty sequence of decimal digits, i.e., something in the language defined by the regular expression [0-9]+. The value of a number-string is the usual...

The programming language C adopted the convention of signalling the use of hexadecimal (base-16) numbers by using the prefix "Ox", followed by a non-empty sequence of the digits "0, 1, 2, 3, 4, 5, 6,...

Let A, B be sets. Define: (a) the Cartesian product (A B) (b) the set of relations R between A and B (c) the identity relation A on the set A [3 marks] Suppose S, T are relations between A and B, and...

answer the question clearly You are building a flight-control system for which a convincing safety case must be made. Would you assign the tasks of safety requirements engineering, test case...

In this question you will be asked to reflect on a project you have been involved in or observed, in which a design evolved, or could have evolved, through applying a theory of user behaviour. You...

Consider the trigonometric series a0 2 + X r=1 (ar cos rx + br sin rx) where a0, a1, a2, . . . and b1, b2, . . . are constants and suppose that f(x) is a periodic function of x with period 2. (a)...

In a Hopfield neural network configured as an associative memory, with all of its weights trained and fixed, what three possible behaviours may occur over time in configuration space as the net...

Portray in words what transforms you would have to make to your execution to some degree (a) to accomplish this and remark on the benefits and detriments of this thought.You are approached to compose...

In this question assume that p and q are atomic formulae. (a) Compare and contrast path formulae and state formulae in temporal logic. [4 marks] (b) Describe and contrast the meanings of F(G p) and...

The new line character is utilized solely as the last person in each message. On association with the server, a client can possibly (I) question the situation with a client by sending the client's...

What is the continuous compounding interest rate applied to Php200,000 that will become Php350,000 in 20 years?

Maria is the sole proprietor of an antique store that she has operated at the same location for the past 16 years. The store rents the space in which it is located but does own all of the inventory...

Regional and superregional banks provide some retail banking services, but also develop relationships with large Blank _ _ _ _ _ _ and Blank _ _ _ _ _ _ . Multiple choice question. corporate...

CT Corp Comprehensive Question Canadian Tire Corporation, Limited (Canadian Tire) is a family of companies that includes a retail segment and a financial services division, among others. The retail...

Family coordination. Despite the eroding of the traditional family in many of the Soviet republics, there is evidence that family traditions and ties had survived despite Sovietization and...

branch ministries to which enterprises were directly subordinated, and which were responsible for translating directives of the functional committees into concrete operating decisions for the...

Self-governing coordination. The nominal character of cooperative enterprises was of self-governance, but only vestiges of a system of proposals or criticisms from below pertained in practice. It is...