> The SQL92 LIKE:
>
> character-string-expression [NOT] LIKE pattern [ESCAPE
> 'escape-char']
>
> allows only the special characters % and _
>
> You need The SQL3 SIMILAR
>
> character-string-expression [NOT] SIMILAR TO pattern [ESCAPE
> 'escape-char']
>
> in this case pattern can involve additional special characters, not just
> % and _ as in LIKE, but every regular expression or "[character_set]"
> like you said. (Refer to "A Guide to SQL Standard 4th edition
> Date-Rarwen, page 505).
>
> Jose'
>
>
TODO item changed to:
* add SIMILAR to allow character classes, 'pg_[a-c]%'
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