From the page source
<input type="hidden" name="RUNTIME.DUMMY.MENSYS.1" value="2016060108515928A25B8C0961CD0323E5F2B97A45CB367B0616536A904BC42EEC98DB60BB2D59F84FA36F1D2E5F7F2A73AE1E11FCE5DF3F6C44BF869A2CE1EEDC8934261193B961237A697A23634598BDECD551351B3F37NONE" />
Regular exp
web_reg_save_param_regexp(
"ParamName=RUNTIME",
"RegExp=name=\"RUNTIME\\.DUMMY\\.MENSYS\\.1\"\\ value=\"(.*?)\"\\ ",
"Ordinal=all",
SEARCH_FILTERS,
"Scope=Body",
"IgnoreRedirections=No",
"RequestUrl=*/SIW_LGN*",
LAST);
Applied to the below web_submit_data
web_submit_data("SIW_LGN",
"Action=url",
"Method=POST",
//"EncodeAtSign=YES"
"RecContentType=text/html",
"Referer=url",
"Snapshot=t4.inf",
"Mode=HTML",
ITEMDATA,
"Name=%.WEB_HEAD.MENSYS.1", "Value=", ENDITEM,
"Name=SCREEN_WIDTH.DUMMY.MENSYS.1", "Value=1920", ENDITEM,
"Name=SCREEN_HEIGHT.DUMMY.MENSYS.1", "Value=1080", ENDITEM,
"Name=%.DUMMY.MENSYS.1", "Value=", ENDITEM,
"Name=RUNTIME.DUMMY.MENSYS.1", "Value={RUNTIME}", ENDITEM,
"Name=PARS.DUMMY.MENSYS.1", "Value=", ENDITEM,
"Name=MUA_CODE.DUMMY.MENSYS.1", "Value=*****", ENDITEM,
"Name=PASSWORD.DUMMY.MENSYS.1", "Value=*******", ENDITEM,
"Name=BP101.DUMMY_B.MENSYS.1", "Value=Login >>", ENDITEM,
"Name=%.WEB_FOOT.MENSYS.1", "Value=", ENDITEM,
LAST);
Error message
Error -35049: No match found for the requested parameter "RUNTIME". Check whether the requested regular expression exists in the response data [MsgId: MERR-35049]