How to search ignoring spaces and minus signs

CHAR(20) columns in 8.4 database may contains spaces and - signs like

13-333-333
12 3-44
33 33 333
12345

User enters code to search without spaces and - signs, like 12344
How to search for product code ignoring spaces and - signs?

For example searching for code 12344 should return
12 3-44  as matching item.

Andrus.