So, I have created a .l file for my lexical analysis. I have defined one pattern as follows Here I want to give the error depending on what state i ...

So, I am doing a lexical analysis of a TOY programming language using flex. I am currently stuck at the following point. Minus sign: As we know the m ...

I'm working on a billing application where users can enter arbitrary mathematical expressions. For example, a line item might be defined as (a + b) * ...

I'm trying to develop a lexical analyzer which should tokenize and identify operators, identifiers, constants, reserved words, and data types in a cod ...

I'm trying to run another python file within this lexical analyzer, but it's not working. Can anyone help me? I'm using this code: https://github.com ...

I wrote a lexical analyzer for cpp codes in python, but the problem is when I use input.split(" ") it won't recognize codes like x=2 or function() as ...

I'm trying to understand what is the purpose of configuring a different analyzer for searching and indexing in Azure Search. See: https://learn.micros ...

This is my code here, I need it to be output as lexical analysis. I should what the output should be on the bottom. I don't understand why my code is ...

I am writing an (f)lex/bison/C parser for a language in which strings are enclosed in single quotation marks. A quotation mark within a string is dupl ...

I wrote the following C program to find the output for a+++b And I'm getting the output as 7 which is correct according to lexical analysis. Apart ...

My Code : My Queries: I want to consider numbers or underscores after the variable's name as "identifiers". for example: user input is "a4". I ...

. Answers to this question are eligible for a +300 reputation bounty. D ...

I am trying to wirte a regular expression for emails in JFlex. So far I tried with this When I test with an email, the lexer is not matching any em ...

Identifiers typically consist of underscores, digits; and uppercase and lowercase characters where the first character is not a digit. When writing le ...

I have these two rules from a jflex code: Bool = true Ident = [:letter:][:letterdigit:]* if I try for example to analyse the word "trueStat", it ge ...

I want regex of this. add x2, x1, x0 is a valid instruction; I want to implement this. But bit confused, how to, as I am newbie in using Regex. ...

I'm not fully sure how to word my question, so sorry for the rough title. I am trying to create a pattern that can identify variable names with the f ...

If I evaluate the following minimal example in python I get So it seems that this is evaluated as where each expression/operand would be eval ...

I am trying to solve a problem set to practice for an exam. How can I approach questions like these ? Is there a way to verify solutions or is it just ...

I want to detect if there are any duplicates of uppercase letters from input. The program should work fine but when i try to run the command flex file ...