Comments on: Regular Expression - 正規表現 http://hungnv.blogsome.com/2007/01/05/p90/ Những điều nghe, nhìn và suy ngẫm được tôi đưa lên vào những lúc thư nhàn. Wed, 09 Dec 2009 07:12:57 +0000 http://wordpress.org/?v=1.5.1-alpha by: hungnv http://hungnv.blogsome.com/2007/01/05/p90/#comment-97 Fri, 05 Jan 2007 07:17:43 +0000 http://hungnv.blogsome.com/2007/01/05/p90/#comment-97 Capturing Text Inside HTML Tags $html =PHP Cookbook Other Chapters Regular Expressions Other Recipes Capturing Text Inside of HTML Tags Problem Solution Discussion See Also _END_; preg_match_all('#<h ([1-6])>(.+?)</h>#is', $html, $matches); for ($i = 0, $j = count($matches[0]); $i < $j; $i++) { print str_repeat(' ', 2 * ($matches[1][$i] - 1)) . $matches[2][$i] . "\n"; } You get: PHP Cookbook Regular Expressions Capturing Text Inside of HTML Tags Problem Solution Discussion See Also Capturing Text Inside HTML Tags
$html =PHP Cookbook

Other Chapters
Regular Expressions

Other Recipes
Capturing Text Inside of HTML Tags

Problem
Solution
Discussion
See Also

_END_;

preg_match_all(’#(.+?)#is’, $html, $matches);

for ($i = 0, $j = count($matches[0]); $i < $j; $i++) {
print str_repeat(’ ‘, 2 * ($matches[1][$i] - 1)) . $matches[2][$i] . “\n”;
}
You get:

PHP Cookbook
Regular Expressions
Capturing Text Inside of HTML Tags
Problem
Solution
Discussion
See Also

]]> by: hungnv http://hungnv.blogsome.com/2007/01/05/p90/#comment-96 Fri, 05 Jan 2007 06:52:31 +0000 http://hungnv.blogsome.com/2007/01/05/p90/#comment-96 Finding All Lines in a File That Match a Pattern $pattern = "/\bo'reilly\b/i"; // only O'Reilly books $ora_books = preg_grep($pattern,file('/path/to/your/file.txt')); Finding All Lines in a File That Match a Pattern
$pattern = “/\bo’reilly\b/i”; // only O’Reilly books
$ora_books = preg_grep($pattern,file(’/path/to/your/file.txt’));

]]> by: hungnv http://hungnv.blogsome.com/2007/01/05/p90/#comment-95 Fri, 05 Jan 2007 05:08:12 +0000 http://hungnv.blogsome.com/2007/01/05/p90/#comment-95 / ^ # anchor at the beginning [^@\s]+ # name is all characters except @ and whitespace @ # the @ divides name and domain ( [-a-z0-9]+ # (sub)domains are letters, numbers, and hyphens \. # separated by a period )+ # and we can have one or more of them ( [a-z]{2} # TLDs can be a two-letter alphabetical country code |com|net # or one of |edu|org # many |gov|mil # possible |int|biz # three-letter |pro # combinations |info|arpa # or even |aero|coop # a few |name # four-letter ones |museum # plus one that's six-letters long! ) $ # anchor at the end /ix # and everything is case-insensitive /
^ # anchor at the beginning
[^@\s]+ # name is all characters except @ and whitespace
@ # the @ divides name and domain
(
[-a-z0-9]+ # (sub)domains are letters, numbers, and hyphens
\. # separated by a period
)+ # and we can have one or more of them
(
[a-z]{2} # TLDs can be a two-letter alphabetical country code
|com|net # or one of
|edu|org # many
|gov|mil # possible
|int|biz # three-letter
|pro # combinations
|info|arpa # or even
|aero|coop # a few
|name # four-letter ones
|museum # plus one that’s six-letters long!
)
$ # anchor at the end
/ix # and everything is case-insensitive

]]> by: hungnv http://hungnv.blogsome.com/2007/01/05/p90/#comment-94 Fri, 05 Jan 2007 05:05:16 +0000 http://hungnv.blogsome.com/2007/01/05/p90/#comment-94 Matching a Valid Email Address /^[^@\s]+@([-a-z0-9]+\.)+[a-z]{2,}$/i Matching a Valid Email Address
/^[^@\s]+@([-a-z0-9]+\.)+[a-z]{2,}$/i

]]> by: hungnv http://hungnv.blogsome.com/2007/01/05/p90/#comment-93 Fri, 05 Jan 2007 05:04:08 +0000 http://hungnv.blogsome.com/2007/01/05/p90/#comment-93 Matching Words /\S+/ // everything that isn't whitespace /[A-Z'-]+/i // all upper and lowercase letters, apostrophes, and hyphens Matching Words
/\S+/ // everything that isn’t whitespace
/[A-Z’-]+/i // all upper and lowercase letters, apostrophes, and hyphens

]]>