How can I implement a check constraint like this

A column can have this values: first 3 letters can be �ing� �fig� �erd� then it can either have �1,2,4,5� and then 3 more numbers.
Like this: ing1003 or fig2432 etc.
I have tried this:
columnName LIKE �[ing-fig-erd][1-2-4-5][0-9][0-9][0-9]�
But it doesn�t work. I have been looking around and haven�t found anything that can help me with this.
Anyone got any suggesting?
Cheers
envida

CHECK(code LIKE '[ing,fig,erd,][1,2,3,4,5][0-9][0-9][0-9]'))This is a regular expression. Oracle database does not yet support regular expressoions (10g will). So what it is actually doing is apllying the whole string as a literal. Because there are no wild cards, any row where code literally does not equal '[ing,fig,erd,][1,2,3,4,5][0-9][0-9][0-9]' will fail i.e. all of them.
If you really want to use regular expressions either have a look at the PL/SQL package OWA_PATTERN or consider importing the Java Regexp package and implementing some Java Stored Procedures. Alternatively you can could cook up something using translate or replace.
Cheers, APC

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