note 45462 added to ref.regex

Tip ! Metacharacters in regular expresions are usefull and easy to use. The following is a set of special values that denote certain common ranges. They have the advantage that also take in account the 'locale' i.e. any variant of the local language/coding system. [:digit:] Only the digits 0 to 9 [:alnum:] Any alphanumeric character 0 to 9 OR A to Z or a to z. [:alpha:] Any alpha character A to Z or a to z. [:blank:] Space and TAB characters only. [:xdigit:] . [:punct:] Punctuation symbols . , " ' ? ! ; : [:print:] Any printable character. [:space:] Any space characters. [:graph:] . [:upper:] Any alpha character A to Z. [:lower:] Any alpha character a to z. [:cntrl:] . ---- Manual Page -- http://www.php.net/manual/en/ref.regex.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+45462 Delete -- http://master.php.net/manage/user-notes.php?action=delete+45462&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+45462&report=yes Search -- http://master.php.net/manage/user-notes.php