#21 Web Search failed

[Leow Kah Man]

Web Search failed no matter what keyword(s) I use.
Below is the trace of the HTTP communication.

POST /webservices.asmx HTTP/1.1
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; MS Web
Services Client Protocol 1.1.4322.2032)
Content-Type: text/xml; charset=utf-8
SOAPAction:
"http://regexlib.com/webservices.asmx/listRegExp"
Content-Length: 415
Expect: 100-continue
Host: www.regexlib.com
Connection: keep-alive
Posting 415 bytes...

HTTP/1.1 417 Expectation Failed
Connection: Close