regex - how to create regular expression in php for all input tags in a webpage? -

plz me in making regular expressions explaination of each components.i want parse input tags , text areatags given below-

<input id="t_15_k_5" type="text" value="xxychf" name="t_15_k_5" style="display: none;"></input> <input type="hidden" value="sn2sms" name="i_m" style="display: none;"></input> <input id="kriya" type="hidden" value="sa65sdf656fdfd" name="kriya"></input> <textarea id="m_15_b" name="m_15_b" style="display: none;">mwlcqrzp</textarea> 

also 1 -

<input id="mwlcqrzp" class="wickenabled input" type="text" onblur="if(this.value=='') this.value='mobile number';" onfocus="if(this.value=='mobile number') this.value='';" value="mobile number" onchange="javascript:displocmob(this);" onkeydown="javascript:displocmob(this);" onkeyup="javascript:displocmob(this);" maxlength="10" name="mwlcqrzp"></input> 

i have written code not working-

preg_match_all("~<textarea(?=[^>]* name=[\"']([^'\"]*)|)(\s+[^>]*)?>(.*?)</textarea>~",$content,$textarearesults)  preg_match_all('/<input(?=[^>]* name=["\']([^\'"]*)|)(?=[^>]* value=["\']([^\'"]*)|)/',$content,$results); 

plz help.

use parser

http://simplehtmldom.sourceforge.net/

for example

if have use regex, regex each is

the actual regex each

<input\b[^>]*>(.*?)</input>

<textarea\b[^>]*>(.*?)</textarea>

note: regex above not match nested tags, in case isnt issue