Why Are Regular Expressions Used in Lexical Analysis? | compiler design
Автор: Melkamu
Загружено: 2026-01-22
Просмотров: 14
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Why Are Regular Expressions Used in Lexical Analysis?
In this video, we explore why regular expressions play a crucial role in lexical analysis, the first phase of a compiler. You’ll learn how regular expressions help define tokens such as keywords, identifiers, operators, and literals, making the scanning process efficient and systematic.
We break down:
What lexical analysis is
How regular expressions describe programming language patterns
Why they are ideal for token recognition
Real-world examples from compilers and interpreters
How regex simplifies the design of lexical analyzers
Whether you’re a computer science student, a compiler design learner, or a programming enthusiast, this video will help you understand the logic behind tokenization and pattern matching.
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#CompilerDesign #LexicalAnalysis #RegularExpressions #Regex #Programming #ComputerScience #Tokenization
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