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Tokenizer: Tokenizer split strings into tokens

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Last Updated Ratings Unique User Downloads Download Rankings  
2010-07-01 (4 years ago) RSS 2.0 feedNot enough user ratingsTotal: 660 All time: 4,461 This week: 1,445Up
Version License PHP version Categories  
tokenizer 1BSD License5PHP 5, Text processing
Description Author  

This package obtain a list of tokens from a text string.

You can choose single space characters or sequences of more characters as delimiters.

You can also define markers characters: special characters or special character sequences that define an indivisible portion of string. That is useful to implement a quotation system for your tokens. You can define an escaping sequence for markers too.

Furthermore, it supports the definition of characters called "operators". Operators allow you to obtain pieces of strings ready for further elaborations combining tokens together.

Innovation Award  
PHP Programming Innovation award nominee
February 2010
Number 7

Prize: One copy of VS.PHP
A tokenizer is a software component that can process a text and split it into tokens that are easier to process.

Tokenizers are often used to by processors that interpret a text, like for instance source code of a given language.

First they split the code in tokens before evaluating whether the code syntax is correct according to the language grammar.

This class provides a complete solution to tokenize any type of text using pure PHP code.

It also supports the implementation of basic syntax operations that combine sequences of tokens and operators into a smaller number of tokens, thus simplifying further the process of the resulting tokens.

Manuel Lemos
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Name: Domenico Pontari <contact>
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Innovation award
Innovation award
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Accessible without login Plain text file usage.php Example different examples of the usage
Plain text file tokenizer.php Class source code

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