July 2012
Intermediate to advanced
288 pages
6h 12m
German
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Chapter 9. Reguläre Ausdrücke
Ein regulärer Ausdruck (kurz Regex) ist ein Objekt, das ein Zeichenmuster beschreibt. Die RegExp-Klasse von JavaScript repräsentiert reguläre Ausdrücke, und sowohl String als auch RegExp definieren Methoden, die reguläre Ausdrücke nutzen, um mächtige Mustervergleichs- und Suchen-und-ersetzen-Operationen auf Text durchzuführen. Dieses Kapitel beginnt mit der Definition der Syntax, die reguläre Ausdrücke zur Beschreibung von Textmustern nutzen. Dann geht es zu einer Beschreibung der String- und RegExp-Methoden über, die reguläre Ausdrücke nutzen.
Suchmuster mit regulären Ausdrücken definieren
In JavaScript werden reguläre Ausdrücke durch RegExp-Objekte repräsentiert. RegExp-Objekte können zwar mit dem RegExp()-Konstruktor ...
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