January 2008
Beginner to intermediate
160 pages
2h 39m
Polish
Content preview from Wyra?enia regularne. Leksykon kieszonkowy. Wydanie II
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Rozdział 6. PHP
W niniejszym rozdziale opisane zostały narzędzia obsługi wyrażeń regularnych wzorowanych na języku Perl dostępne w PHP w wersji 4.4.3 oraz 5.1.4. Bazują one na bibliotece PCRE 6.6. Funkcje preg wykorzystują tradycyjny mechanizm dopasowywania NFA. Wyjaśnienie zasad działania tego mechanizmu można znaleźć w rozdziale pod tytułem Rozdział 1.
Obsługiwane metaznaki
Metaznaki oraz metasekwencje dostępne w PHP zostały przedstawione w Tabela 6-1 do Tabela 6-5. Bardziej szczegółowe opisy poszczególnych metaznaków można znaleźć w części zatytułowanej „Metaznaki, tryby oraz konstrukcje”.
Tabela 6-1. Reprezentacje znaków
Sekwencja | Znaczenie |
|---|---|
| Alarm (dzwonek), |
| Znak cofnięcia; obsługiwany wyłącznie w klasie znaków, |
| Znak ESC, |
| Znak ... |
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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.