Transcribed Image Text Lexical analyzers pattern matcher that can determine all syntax issues with a source program finds variables in an input string and determines which variables are of which type pattern matcher for character strings that finds words and important individual parts of a program. finds words in string and determines if the words belong together
Transcribed Image Text Lexical analyzers pattern matcher that can determine all syntax issues with a source program finds variables in an input string and determines which variables are of which type pattern matcher for character strings that finds words and important individual parts of a program. finds words in string and determines if the words belong together
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Lexical analyzers pattern matcher that can determine all syntax issues with a source
![Lexical analyzers
pattern matcher that can determine all syntax issues with a source program
finds variables in an input string and determines which variables are of which type
pattern matcher for character strings that finds words and important individual parts of a program.
finds words in string and determines if the words belong together](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feb20da48-f616-43c0-8634-c5f025bf76ae%2Faa9ee6a0-0422-4504-8edf-30e435d26e48%2Fhz68hve_processed.png&w=3840&q=75)
Transcribed Image Text:Lexical analyzers
pattern matcher that can determine all syntax issues with a source program
finds variables in an input string and determines which variables are of which type
pattern matcher for character strings that finds words and important individual parts of a program.
finds words in string and determines if the words belong together
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