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From: George Neuner <gneuner2@comcast.net>
Newsgroups: comp.compilers
Subject: Re: some guideline to lexer or parser
Date: Mon, 27 Feb 2017 15:39:11 -0500
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On Mon, 27 Feb 2017 04:53:24 +0000 (UTC), chano <noemail@no.spam.com>
wrote:

>is there any guideline document on simple lexer or parser on the internet?
>I try to build routine to parse simple < data, data, data > format and I
>find it it's no easy task

Too complicated for regex?


>[There's Crenshaw's Let's Build a Compiler which is 20 years
>old but still pretty good. -John
>
>ftp://ftp.iecc.com/pub/file/crenshaw-txt.zip
>]


There are a number of guides to writing parsers, but they necessarily
are language specific (which the OP didn't mention) and many are above
beginner level.

Maybe these?

C:
https://stlab.adobe.com/wiki/index.php/How_To_Write_A_Simple_Lexical_Analyzer_or_Parser
Python:
http://parsingintro.sourceforge.net/
Java:
http://cogitolearning.co.uk/?p=523


George