December 2009
Intermediate to advanced
560 pages
15h 5m
German
Content preview from Reguläre Ausdrücke KochbuchBecome 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,
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7.5 URLs in Links umwandeln
Problem
Sie haben einen Text mit einer oder mehreren URLs. Sie wollen nun die URLs in Links umwandeln, indem Sie sie mit HTML-Anker-Tags umschließen. Die URL selbst wird dann als Ziel für den Link dienen, aber auch gleichzeitig der Text sein, den man anklicken kann.
Lösung
Um die URLs im Text zu finden, nutzen Sie einen der regulären Ausdrücke aus den „7.2 URLs in einem längeren Text finden“ oder „7.4 URLs mit Klammern in längerem Text finden“. Als Ersetzungstext verwenden Sie:
<a⋅href="$&">$&</a>Ersetzungstextvarianten: .NET, JavaScript, Perl
<a⋅href="$0">$0</a>Ersetzungstextvarianten: .NET, Java, PHP
<a⋅href="\0">\0</a>Ersetzungstextvarianten: PHP, Ruby
<a⋅href="\&">\&</a>Ersetzungstextvariante: Ruby
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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.