PHP Classes

Tokenizer: Tokenizer split strings into tokens

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tokenizer 1BSD License5PHP 5, Text processing


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.

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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.

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