Front is a Java implementation of a lexical analyzer system for simple arithmetic expressions. This code was originally written by me for CS 4250 - Programming Languages at UMSL. It's a translation to ...

Lexical and Syntax Analyzer Documentation -Lexical Analyzer The lexical analyzer is responsible for tokenizing the input program. It recognizes individual tokens by matching them with their ...

Abstract: Lexical analysis is a crucial phase in compiler design that involves transforming a stream of characters into meaningful tokens. Traditional lexical analyzers utilize finite automata and ...

Abstract: Pattern matching or finding the occurrences of a pattern in a text arises frequently in many applications. The task of splitting the character stream or text into words is called ...

1 Department of Chinese and Bilingual Studies, The Hong Kong Polytechnic University, Kowloon, Hong Kong 2 Institute of Corpus Studies and Applications, Shanghai International Studies University, ...