filter function vs regular expression
| From: | Alain Roger | Date: | Sat, 20 Dec 2008 15:22:29 +0000 |
| Subject: | filter function vs regular expression | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-284883@lists.php.net to get a copy of this message | ||
Hi,
i'm reading a book about PHP and i was wondering why regular expressions are
so often used to check format of variables or emails while the function
filter exists since version 5.2.
What are the plus of regular expression while checking variable format ?
thx.
--
Alain
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Windows XP x64 SP2
PostgreSQL 8.3.5 / MS SQL server 2005
Apache 2.2.10
PHP 5.2.6
C# 2005-2008