PostgreSQL Regex Word Boundaries?

Question

Does PostgreSQL support \\b?

I\'m trying \\bAB\\b but it doesn\'t match anything, whereas (\\W|^)AB(\\W|$) does. These 2 expre

Answer 1

A simple example

select * from table_name where column ~* '\yAB\y';

This will match AB ab ab - text text ab text AB text-ab-text text AB text ...

But you have to use:

select * from sometable where name ~* '\\yAB\\y';

in case you have standard_conforming_strings flag set to OFF. Note the double slashes.
You can set it manually :

set standard_conforming_strings=on;

Then :select * from table_name where column ~* '\yAB\y'; should work.