hi, i have a question, i dont know what keywords to search, so im asking
here.
while using preg_match, there are lots of thing that can be written as
$pattern.
for example:
preg_match("/php/i", "PHP is the web scripting language of choice.")
what is the meaning of /i ?
or '@^(?:http://)?([^/]+)@i' there are lots of chars here,
or this: /(?P<name>\w+): (?P<digit>\d+)/
/[^\\d\\sa-zA-Z$_]/
/^[a-zA-Z\p{Cyrillic}0-9\s\-]+$/u (there is a extra "/u" )
#^http:\/\/(.*)\.(gif|png|jpg)$#i
#<head>(.*?)<\/head>#si
there is lots and lots of different usage of these.
my question is, where can i find a very detailed information about these
? i want and need to know whats what about these.
Thanks,
tolga.
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