--remarks :=== wU K‡i U¨ve‡jU ‡L‡Z n‡e (1 w`b)#1 Tab by mouth for 1 Days
select regexp_substr(remarks,'[^#]+',1,2)
from pm_presmedicine
will show
1 Tab by mouth for 1 Days
and
select regexp_substr(remarks,'[^#]+',1,1)
from pm_presmedicine
will show wU K‡i U¨ve‡jU ‡L‡Z n‡e (1 w`b)#
select regexp_substr(remarks,'[^#]+',1,2)
from pm_presmedicine
will show
1 Tab by mouth for 1 Days
and
select regexp_substr(remarks,'[^#]+',1,1)
from pm_presmedicine
will show wU K‡i U¨ve‡jU ‡L‡Z n‡e (1 w`b)#
Time in Dhaka 
