December 2009
Intermediate to advanced
560 pages
15h 5m
German
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6.3 Binärzahlen
Problem
Sie wollen Binärzahlen in einem längeren Text finden oder prüfen, ob eine String-Variable nur eine Binärzahl enthält.
Lösung
Finden einer Binärzahl in einem längeren Text:
\b[01]+\b
Regex-Optionen: Keine
Regex-Varianten: .NET, Java, JavaScript, PCRE, Perl, Python, Ruby
Prüfen, ob ein Text-String nur eine Binärzahl enthält:
\A[01]+\Z
Regex-Optionen: Keine
Regex-Varianten: .NET, Java, PCRE, Perl, Python, Ruby
^[01]+$
Regex-Optionen: Keine
Regex-Varianten: .NET, Java, JavaScript, PCRE, Perl, Python
Eine Binärzahl mit dem Suffix B finden:
\b[01]+B\b
Regex-Optionen: Groß-/Kleinschreibung ignorieren
Regex-Varianten: .NET, Java, JavaScript, PCRE, Perl, Python, Ruby
Einen binären Bytewert (8 Bit) finden:
\b[01]{8}\bRegex-Optionen: Keine
Regex-Varianten: ...
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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.