What is and how is defined a Text Structure or Schema?

Data System Architecture


When you find a structure in a text, there is a language.

It can be:


The schema of text is expressed via one or many regular Expressions.

A regular expression is implemented as finite automata that's why when parsing any type of text (xml, json,..) with a library you are going from state to state.

Text Parser

A text parser is implemented:


When the string describes a computer format, the string/text is called a document

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What is a document ?

The concept of document can be difficult to grasp. This articles gives an easy definition that fits the computer science world.

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