Replace 2 characters in an access query

I have a formula to replace "-" but i also have spaces to remove the formula i am using is
Expr7: IIf(Not IsNull([Address Book]![Certificate]),Replace([Address Book]![Certificate],"-",""),Null)
How would i repace " "(blank space) as well?
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DatabaseMX (Joe Anderson - Microsoft Access MVP)Database Architect / Systems AnalystCommented:

try this
Expr7: IIf(Not IsNull([Address Book]![Certificate]),Replace(Replace([Address Book]![Certificate],"-","") ," ",""),Null)
DatabaseMX (Joe Anderson - Microsoft Access MVP)Database Architect / Systems AnalystCommented:
You can do multiple replacements by cascading as show above

Replace(Replace(Replace(Replace ([SomeField], "-",""), " ",""),"?",""),"/")

and so on ...


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Of course make a backup before testing any action queries...

Are you looking to remove ALL spaces in the certificate field?  MX's suggestion will do that.  Or are you looking to get rid of only spaces around the dash you are removing?  

You can specify character combinations to replace.  For example " - " can be used for a "space dash space" combination.

Expr7: IIf(Not IsNull([Address Book]![Certificate]),Replace([Address Book]![Certificate]," - ",""),Null)

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