select position('.' in '.T.homas')
result
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1
it returns first postion.but I need last occurence of ' . ' .
actual result
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3
any help..?appreciated.On Thu, Jul 30, 2015 at 5:00 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Melvin Davidson <melvin6...@gmail.com> writes: > > Based om the definition of Oracle instr(), the equivalent PostgreSQL > > function would be > > position(substring in string). > > See http://www.postgresql.org/docs/9.4/static/plpgsql-porting.html > particularly the "appendix" at the bottom. I'm not sure that code > is still the best way to do it (it's very old), but it's there. > > regards, tom lane >
