Hi Indra are you trying to accomplish this in DP or OR
vDate - -> \d\d:\d\d:\d\d\d\d (15:02:2013)
vDate - -> \d\d\\\w\w\w\\\d\d\d\d (15\feb\2013)
DP ---> brow.pge("title:=pagetitle "&vDate).Exist
OR ---> Select the object and corresponding page value
Click on the "configure value" button
Check the Regular expression box and click "No" button on following popup
Then configure the date regular expression value as mentioned above.