Need number range in regular expression...

Handling invalid tokens in Lex...

What is a regular expression for matching numbers divisible by 4?...

Catching the error and continue back to the calling function...

Lex/Flex :Regular expression for string literals in C/C++?...

Implicit termination of start conditions in flex without using `unput()`...

SIGSEGV while creating a parser-tree...

Why does Lex/flex show input although it isn't matched?...

Compiling a Lex program on OS X...

How to find a substring...

ply lexmatch regular expression has different groups than a usual re...

How to run a parser from a separate file?...

Unrecognized rule in flex - negative lookahead...

How can we define rules for identifying a certain sequence in a given series?...

My lex program isn't working...

How can I change the type of a token basing on the production's type?...

How to solve Ambiguity and Conflicts LR parser?...

Flex/Bison - My regular expression is not matching occurrences of two or more X's, example XXY-1...

GNU marks in auto generated source by lex or bison...

overloading yylex() using flexlexer in c++...

lexical analyser generator in kernel space...

Building Lexical Analyzer using lex tool...

Aliasing frequently used patterns in Lex...

How can I use lookbehind assertions in lex?...

unable to understand the error in lex program to count no of tokens...

How to scan tokens only within context using Flex?...

lex/yacc simple Q...

Regular expression for a tcp/udp port recognition (16-bits)...

A flex script that matches empty inputs?...

Checking Valid Arithmetic Expression in Lex (in C)...