VOOZH
about
URL: https://www.geeksforgeeks.org/tag/lex-program/
⇱ Lex program Archives - GeeksforGeeks
👁 geeksforgeeks
Courses
Tutorials
Interview Prep
DSA
Practice Problems
C
C++
Java
Python
JavaScript
Data Science
Machine Learning
Courses
Linux
DevOps
Similar Topics
Web Technologies
32.1K+ articles
DSA
20.4K+ articles
Python
19.6K+ articles
Experiences
15.8K+ articles
Misc
7.7K+ articles
C Language
1.3K+ articles
Computer Subject
812+ articles
C Programs
441+ articles
Theory of Computation
274+ articles
Compiler Design
249+ articles
Lex program to check if characters other than alphabets occur in a string
Last Updated: 23 July 2025
Problem :- Write a Lex program to find if a character apart from alphabets occurs in a string or notExplanation:- Flex (Fast Lexical Analyzer Generator ) is a tool or comp...
read more
👁 article_image
C Language
Lex program
Yacc Program to evaluate a given arithmetic expression
Last Updated: 11 July 2025
Prerequisite - Introduction to YACCProblem: Write a YACC program to evaluate a given arithmetic expression consisting of '+', '-', '*', '/' including brackets.Examples:Inp...
read more
👁 article_image
Compiler Design
Lex program
DFA in LEX code which accepts Odd number of 0’s and even number of 1’s
Last Updated: 11 July 2025
Prerequisite: Designing Finite AutomataProblem: Design a LEX code to construct a DFA which accepts the language: all strings with Odd number of 0’s and even number of 1’s ...
read more
👁 article_image
Compiler Design
Lex program
DFA in LEX code which accepts strings ending with 11
Last Updated: 11 July 2025
Prerequisite: Designing Finite AutomataProblem: Design a LEX code to construct a DFA which accepts the language: all the strings ending with "11" over inputs '0' and '1'.E...
read more
👁 article_image
Compiler Design
Lex program
Lex program to check valid Mobile Number
Last Updated: 11 July 2025
Problem: Write a Lex Program to check valid Mobile Number.Explanation:FLEX (Fast Lexical Analyzer Generator) is a tool/computer program for generating lexical analyzers (s...
read more
👁 article_image
Compiler Design
Lex program
YACC program to check whether given string is Palindrome or not
Last Updated: 11 July 2025
Problem: Write a YACC program to check whether given string is Palindrome or not.Explanation:Yacc (for “yet another compiler compiler.”) is the standard parser generator f...
read more
👁 article_image
Compiler Design
Lex program
Lex program to check whether given number is armstrong number or not
Last Updated: 11 July 2025
Problem: Lex program to check whether given number is armstrong number or not.Explanation:Lex is a computer program that generates lexical analyzers and was written by Mik...
read more
👁 article_image
Compiler Design
Lex program
YACC program for Binary to Decimal Conversion
Last Updated: 11 July 2025
Problem: Write YACC program for Binary to Decimal Conversion.Explanation:Yacc (for “yet another compiler compiler.”) is the standard parser generator for the Unix operatin...
read more
👁 article_image
Compiler Design
Lex program
YACC program to recognize string with grammar { a<sup>n</sup>b<sup>n</sup> | n≥0 }
Last Updated: 11 July 2025
Problem: Write YACC program to recognize string with grammar { anbn | n0 }.Explanation:Yacc (for “yet another compiler compiler.”) is the standard parser generator for the...
read more
👁 article_image
Compiler Design
Lex program
Lex program to count the frequency of the given word in a file
Last Updated: 11 July 2025
Problem: Given a text file as input, the task is to count frequency of a given word in the file. Explanation: Lex is a computer program that generates lexical analyzers an...
read more
👁 article_image
Compiler Design
Lex program
YACC program to recognize strings of { a<sup>n</sup>b | n≥5 }
Last Updated: 07 May 2019
Problem: Write YACC program to recognize strings of { anb | n5 }Explanation:Yacc (for “yet another compiler compiler.”) is the standard parser generator for the Unix opera...
read more
👁 article_image
Compiler Design
Lex program
YACC program to implement a Calculator and recognize a valid Arithmetic expression
Last Updated: 26 August 2020
Problem: YACC program to implement a Calculator and recognize a valid Arithmetic expression.Explanation:Yacc (for “yet another compiler compiler.”) is the standard parser ...
read more
👁 article_image
Compiler Design
Lex program
Introduction to YACC
Last Updated: 11 July 2025
YACC is an LALR parser generator developed at the beginning of the 1970s by Stephen C. Johnson for the Unix operating system. It automatically generates the LALR(1) parser...
read more
Compiler Design
Lex program
YACC program which accept strings that starts and ends with 0 or 1
Last Updated: 11 July 2025
Problem: Write a YACC program which accept strings that starts and ends with Zero or OneExplanation:YACC (Yet another Compiler-Compiler) is the standard parser generator f...
read more
👁 article_image
Compiler Design
Lex program
Lex program to check if a Date is valid or not
Last Updated: 11 July 2025
Problem: Write a Lex program to check if a date is valid or not.Explanation:Flex (Fast lexical Analyzer Generator) is a tool/computer program for generating lexical analyz...
read more
👁 article_image
Compiler Design
Lex program
1
2
3
4
