How to parse data from a html file?

[cyberhostbd]

I'm trying to learn how to parse data from html file. What functions of php I need to learn for this. Can you please give any guideline?

[mlseim]

Because there are so many example, exceptions, and sometimes difficulty in
getting the parse you want, here are many different methods:
http://www.google.com/search?q=php+s...gs&btnG=Search

It all depends on the website, and which data you're going after.


.

[chris0]

Regex !
all the functions of preg_*

preg_match
preg_match_all
preg_split
....

full list of regex functions:
http://www.php.net/manual/en/ref.pcre.php

----

also few functions that will come in handy
strpos
strlen

full list of all php string functions:
http://php.net/manual/en/ref.strings.php