Re: Regex pattern with shorter back reference does NOT work as expected

Jeevan Chalke <jeevan.chalke@enterprisedb.com> writes:
>>> Following example does not work as expected:
>>> 
>>> -- Should return TRUE but returning FALSE
>>> SELECT 'Programmer' ~ '(\w).*?\1' as t;

For the archives' sake --- I've filed a report about this with the Tcl
crew.  They seem to have moved their bugtracker recently; it's no longer
at sourceforge but in their own ticket system.  This bug is at

https://core.tcl.tk/tcl/tktview/6585b21ca8fa6f3678d442b97241fdd43dba2ec0
        regards, tom lane