September 2019
Intermediate to advanced
272 pages
8h 4m
French
Content preview from Python précis et concis
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212 Chapitre 1. Python précis et concis
Dans le tableau 20, Séquences spéciales des motifs des expressions
régulières,
\b
,
\B
,
\d
,
\D
,
\s
,
\S
,
\w
et
\W
se comportent différemment
en fonction des opt ions, et sont par défauts des caractères Un icode
en Python 3.X, à moins que l’option
ASCII
(c’est-à-dire
?a
) ne soit
utilisée. Conseil : employez des chaînes brutes (
r
’
\n
’
) pour écrire
sous formes littérale le car a ctère antislash dans le tableau 20.
Tableau 20 — Séquences spéciales des motifs des expressions régulières
Séquence Description
\nombre Correspond au texte du groupe
nombre
(à partir de 1)
\A Correspond uniquement au début de la chaîne
\b Chaîne vide aux limites ...
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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.