Modifier

The characters you need to escape in the PHP tutorial regular expressions are as follows: $^* () +={}[]|/:<>. "Note: Perl style expressions require/start and end, such as:/food/table matching characters Food Perl modifiers are as follows: I complete a case-insensitive search G Find all occurrences (all occurrences, complete global search) m treats a string as multiline (m means multiple (listbox)). By default, ^ and $ ...

as follows: $a = ' 2<span><nobr>tóng<span class= ' h ' >dòng</span></nobr><br> dong </span >3 '; echo preg_replace ('/<span class= "h" >[...

Absrtact: There is a kind of TV advertising way often appears, this kind of advertising way is repeatedly appear the same picture, then repeatedly appear a slogan, repeat three to five times, until let life is annoying. The purpose of the promotion is to let the target users remember the merchandise, at least there is a kind of television advertising often appear, this kind of advertising is repeated appearance of the same screen, and then repeated a slogan, repeat three to five times, until the life is annoying. The purpose of the promotion is to let the target user remember the product, at least have an impression of the product, even if it is vague impression, when the user has the demand for the product ...