sql - Avoid errors when attempting to convert to datetime -


is there way in sql ignore records conversion failed. setting default value work. 

> select convert(datetime, foo_str) > foo_tbl   ------------------------  aug 23 2013 00:00:00.000  aug 17 2013 00:00:00.000  may 06 2015 00:00:00.000  aug 13 2013 00:00:00.000  aug 09 2013 00:00:00.000  sep 05 2007 00:00:00.000  may 06 2015 00:00:00.000  may 06 2015 00:00:00.000  feb 24 2009 00:00:00.000  may 06 2015 00:00:00.000  mar 29 2013 00:00:00.000  may 06 2015 00:00:00.000  jul 24 2010 00:00:00.000  may 06 2015 00:00:00.000  may 06 2015 00:00:00.000  may 03 2015 00:00:00.000

msg 249, level 16, state 1 , line 1 syntax error during explicit conversion of varchar value '10101' datetime field.

can error avoided select statements comes completion?

something below code should work on sybase

select convert(datetime, foo_str) foo_tbl foo_str '[a-z][a-z][a-z] [0-1][0-9] [0-2][0-9][0-9][0-9] [0-2][0-9]:[0-5][0-9]:[0-5][0-9].[0-9][0-9][0-9]'

if 00:00:00.000 constant can simpler

select convert(datetime, foo_str) foo_tbl foo_str '[a-z][a-z][a-z] [0-1][0-9] [0-2][0-9][0-9][0-9] 00:00:00.000'

or 

select convert(datetime, foo_str) foo_tbl foo_str '[a-z][a-z][a-z] [0-1][0-9] [0-2][0-9][0-9][0-9]%'

-

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