Skip to Content
Learn Red ? Fundamentals of Red
book

Learn Red ? Fundamentals of Red

by Ivo Balbaert
May 2018
Beginner content levelBeginner
252 pages
6h 19m
English
Packt Publishing
Content preview from Learn Red ? Fundamentals of Red

Understanding how parse works

The way parse works is quite straightforward. It's a function that takes an input to parse, and a set of rules to parse the input with—parse input [rules]

The input is the data that needs to be processed; it can be any series value. This is in most cases a string, perhaps coming from a web page, an XML or JSON or other type of file, or a spreadsheet, but it could also be a block with values, a binary value, or even code.

Parse searches the input and tries to pattern match it from start to finish with the rules. If the complete input until the end matches the rules, true is returned; if not, parse returns false. In fact, the rules block can be a complete subprogram, extracting information from the input, and processing ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

How I Built a Personal Board of Directors With GenAI

How I Built a Personal Board of Directors With GenAI

Vipin Gupta
How to Become a Game-Changing Leader

How to Become a Game-Changing Leader

Douglas A. Ready, Alan Mulally
Why AI Demands a New Breed of Leaders

Why AI Demands a New Breed of Leaders

Faisal Hoque, Thomas Davenport, Erik Nelson

Publisher Resources

ISBN: 9781789130706Supplemental Content