Oracle regex match whitespace

Question

I\'m trying to change a value in oracle with regex:

input: 13/10/2016  10:10:10
output: 13/10/2016  10:10:10
         


        

Answer 1

Since the \s is a Perl-like construct and Oracle regex is POSIX based, it is safer to use the POSIX character class [:space:] (to include vertical whitespace) or [:blank:] (to only match spaces and tabs).

E.g. use

([[:space:]0-9/:]+)

Remember to always use POSIX character classes inside bracket expressions (so, to match one alpha character, use [[:alpha:]], i.e. the name of the class must be inside colons and double square brackets).