Convert Long Date And Time Text To Value

I have a long date and time text value in a cell such as "2013/10/02 07:43:39.39", where the fractions of a second are very important.

I can use cdate([text]) to convert the text string to a value, but only if i omit the seconds fraction: "2013/10/02 07:43:39".
Otherwise i get a type mismatch error.

Is there any way i can get the whole date/time string converted to a date value? The only way i can think to do it it at the moment is to convert the date/time, then divide the seconds fraction by 86400 and add the 2 values. Is there a better way?

Secondly, i have a large number of these date strings, typically >30k lines x 7 columns. Each string is preceded and trailed by a [space] character.

I can strip these extra spaces no problem. And, i can "loop" to perform it, again no problem. But it's going to take time to perform and i'd rather not if i can avoid it.