hi
select 'Ho Ho Ho' ~* '^Ho'; returns true
select 'Ho Ho Ho' ~* ' Ho'; returns true
select 'Ho Ho Ho' ~* '[^ ]Ho'; returns false (Please note there is a
space between ^ and ])
"A /bracket expression/ is a list of characters enclosed in []. It
normally matches any single character from the list (but see below). If
the list begins with ^, it matches any single character /not/ from the
rest of the list."
from:
http://www.postgresql.org/docs/8.3/static/functions-matching.html#POSIX-BRACKET-EXPRESSIONS
Regards
Florian
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