Re: Re: Regular Expression Backreference in subpattern.

On 9/27/08, Nathan Rixham <nrixham@gmail.com> wrote: > Shiplu wrote: > > > The string is "<td>charge</td><td>100</td>". > > I want and array( "charge"=>100). > > I am using this regular expression, > > '/<td>([^<]+)<\/td><td>(?P<\1>\d+)<\/td>/'. > > > > > > But its not working.. > > > > I get this error., > > PHP Warning: preg_match(): Compilation failed: syntax error after (?P > > at offset 25 in E:\src\php\WebEngine\- on line 4 > > > > any idea? > > > > > > it seem's everybody is giving you the same answers; here's a definitive > look at the problem (as far as I'm aware) > > all preg_* functions can only return back string's, or array's of strings; > there is no method of returning back an associative array as you would like; you can return an array which has friendly name. run the following code, $x = "a b;c d;e f;"; preg_match('/(?P<keys>\w) (<?P<values>\w)/',$x,$m); print_r($m); allso run this code too for backreference idea, $y = 'a a;b c;d d;e f;f g;h i'; preg_match_all('/(\w) (\1)/',$y,$m); print_r($m); Blog: http://talk.cmyweb.net/ Follow me: http://twitter.com/shiplu Stop Top Posting.