Ignoring zip codes which include letters

[magsbie]

Hi,

I have a data which needs a lot of cleaning. One of the issue is that some of the zip codes include a letter for example 606NZ.

How can I tell SAS to ignore those but keep the proper ones such as 60457.

Thank you

[Ksharp · Accepted solution]

if anyalpha(zip) then delete ;

[magsbie]

It works. Thank you.