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Which of the lexical analyser can handle Unicode?

Which of the lexical analyser can handle Unicode? Correct Answer All of the mentioned

JavaCC – JavaCC generates lexical analyzers written in Java. JFLex – A lexical analyzer generator for Java. Quex – A fast universal lexical analyzer generator for C and C++. FsLex – A lexer generator for byte and Unicode character input for F#.

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Lexical Analysis Identifies Different Lexical Units in a _______
In which of the following phase of the compiler is Lexical Analyser?
Which phase of the compiler is Lexical Analyser?
What is another name for Lexical Analyser?
Lexical Analyser’s Output is given to Syntax Analysis.
Input to Lexical Analyser is _________
If the lexical analyser finds a lexeme with the same name as that of a reserved word,it _________