select customized data format

[podarum]

Hi, this is probably so easy for some.. But How can I select a field only if is in the format like alpha/numeric/alpha eg. M2H or G8R etc.. if I have GG5 or 4 or 66R .. etc. or anything else like this, I don't want it..
Thanks in advance

[Haikuo · Accepted solution]

data have;

input var $;

cards;

M2H

G8R

GG5

66R

;

DATA WANT;

  SET HAVE;

  IF PRXMATCH('/[a-zA-Z]\d[a-zA-Z]/',var) >0;

run;

Haikuo

[podarum]

thank you