June 2016
Intermediate to advanced
498 pages
10h 25m
German
Content preview from Python 3Become 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,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
16Reguläre Ausdrücke
Reguläre Ausdrücke („Regular Expression“ oder nur kurz „regexp“, „regex“ oder „RE“) sind ein mächtiges Werkzeug, um Textmuster zu beschreiben. Damit lassen sich flexibel Textpassagen in Zeichenketten suchen und bearbeiten. Bevor ein paar praktische Beispiele folgen, muss zunächst erklärt werden, wie ein Text durch reguläre Ausdrücke beschrieben werden kann. Die Anwendung eines regulären Ausdrucks auf einen Text wird auch als „Pattern Matching“ bezeichnet (vielleicht am besten mit „Muster-Vergleich“ übersetzt).
16.1Text beschreiben
Ein regulärer Ausdruck beschreibt eine Zeichenfolge. Diese Beschreibung nutzt sogenannte Zeichenmengen/-klassen und Operatoren, um anzugeben, wie oft eine bestimmte Zeichenfolge vorkommen soll (Wiederholungsoperatoren). ...
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.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.