Phoenix Kiula wrote:
I tried this. Get an error.
mypg=# select * from interesting WHERE NOT description ~ ( '^('||
mypg(# $$[\09\0A\0D\x20-\x7E]|$$|| -- ASCII
mypg(# $$[\xC2-\xDF][\x80-\xBF]|$$|| -- non-overlong 2-byte
mypg(# $$\xE0[\xA0-\xBF][\x80-\xBF]|$$|| -- excluding overlongs
mypg(# $$[\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}|$$|| -- straight 3-byte
mypg(# $$\xED[\x80-\x9F][\x80-\xBF]|$$|| -- excluding surrogates
mypg(# $$\xF0[\x90-\xBF][\x80-\xBF]{2}|$$|| -- planes 1-3
mypg(# $$[\xF1-\xF3][\x80-\xBF]{3}|$$|| -- planes 4-15
mypg(# $$\xF4[\x80-\x8F][\x80-\xBF]{2}$$|| -- plane 16
mypg(# '*)$' )
mypg-#
mypg-# ;
ERROR: invalid regular expression: quantifier operand invalid
If you really don't want to go the "pg_dump -> iconv (remove invalid
characters) -> diff the dump files" route, a stored procedure that
searches for invalid characters was posted a few years back that
attempts to find the invalid characters.
http://archives.postgresql.org/pgsql-hackers/2005-12/msg00511.php
http://svana.org/kleptog/pgsql/utf8_verify.sql
--
Justin Pasher
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