The character is reserved to delimit the anchor part of the URL. Web client must not send the anchor as part of an HTTP request, which is why you don't see it. You can include the character in a URL by encoding it. The encoded value is "%23" (or use URI::Escape to do it on the fly). CGI automatically decodes it in your script.

In reply to Re: Can the "#" character be passed via $ENV{QUERY_STRING} ? by ikegami
in thread Can the "#" character be passed via $ENV{QUERY_STRING} ? by Hagbone

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