URL escaped character

URL / URI

rfc1738 (1994) - URL Uniform Resource Locators
rfc3986 (2005) - URI Uniform Resource Identifiers

URL schema znaku (%hexhex)

rcf	chars	description	encoding
URL rfc1738	`80-FF hex (not used in US-ASCII)` `00-1F , 7F hex (control characters)` `(napr. ěščřžýáíéĚŠČŘŽÝÁÍÉúÚůŮ)`	No corresponding graphic US-ASCII	Yes
	<>"#%{}\|\^~[]`	Unsaved (+space)	Yes
	`;/?:@=&`	Reserved	Yes
	`$-_.+!*'(),`	Reserved special	May be
URI rfc3986	`ALPHA DIGIT -._~`	Unreserved (%41-%5A, %30-%39, %2D%2E%5F%7E	Should not be
	`!$&'()*+,;=`	Reserved sub-delims	Yes
	`:/?#[]@`	Reserved gen-delims	Yes
	other	other	Yes

JS / PHP function (test Moz FF 2.0.3)

lng	function encode	function decode	ver	not encoded	spec
JS	escape	unescape	1.0+	-_./@+*
JS	encodeURI	decodeURI	1.5+	-_.#~;/?:@=&$+!*'(),
JS	encodeURIComponent	decodeURIComponent	1.5+	-_.~!*'()
PHP	urlencode	PHP urldecode	4+	-_.	%20 as +
PHP	rawurlencode	PHP rawurldecode	4+	-_.+
Java	java.net.URLEncode.encode	?	?	?	?
ASP	Server.URLEncode	?	?	?	?
ASP.NET	Server.URLEncode	?	?	?	?
ASP.NET	HttpUtility.URLEncode UtF8 / UtF7 / Ascii / Unicode	?	?	?	?
.NET	HttpUtility.UrlEncode.encode	HttpUtility.URLEncode.decode	?	?	?
Flash MX	escape	unescape	?	?	?
Perl	uri_escape	uri_unescape	?	?	?
CGI	escape	unescape	?	?	?
CGI	escapeHTML	unescapeHTML	?	?	?
VBScript	escape	unescape	?	?	?
Python	urllib.quote	urllib.unquote	?	?	?
Python	urllib.urlencode	?	?	?	?
Python/Zope	python:url_quote	?	?	?	?
Ruby/CGI	CGI.escape	CGI.unescape	?	?	?

Test JS:

<script>
var str = "-_. <>\"#%{}|\\^~[]`;\/?:@=&$+!*'(),";
document.write(str);
document.write("<br>".escape(str));
document.write("<br>".encodeURI(str));
document.write("<br>".encodeURIComponent(str));
</script>

Test PHP (Moz. FF):

<?php
$str = "-_. <>\"#%{}|\\^~[]`;\/?:@=&$+!*'(),";
echo $str;
echo "<br>".urlencode($str);
echo "<br>".rawurlencode($str);
?>

-_. <>\"#%{}|\\^~[]`;\/?:@=&$+!*'(),
-_.+%3C%3E%22%23%25%7B%7D%7C%5C%5E%7E%5B%5D%60%3B%5C%2F%3F%3A%40%3D%26%24%2B%21%2A%27%28%29%2C
-_.%20%3C%3E%22%23%25%7B%7D%7C%5C%5E%7E%5B%5D%60%3B%5C%2F%3F%3A%40%3D%26%24%2B%21%2A%27%28%29%2C

Literatura:

http://xkr.us/articles/javascript/encode-compare/	example
http://php.net		PHP Book
http://www.faqs.org/rfcs/rfc1738	rfc1738
http://docs.python.org	Python Book