You are looking for "regular expression"
2012/8/2 Tolga <kacmaztolga@xxxxxxxxx>
> 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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