finding a pattern

["Data Analytics Corp." <dataanalytics@earthlink.net>]

Hi,

I have a data frame with a character variable named label that has 
string values such as
"a; e; c; d"
"c; b"
"a; b; e:
"a"

and so forth.  There are 511 records.  Basically, label has all 
combinations of the letters a - i taken 1 at a time, 2 at a time, ..., 9 
at a time.  I need to find all records that have the combination, say 
"a; e" as part of the string.  So this could be "a; e" itself, "a; e; 
b", "a; c; e", "a; b; c; e", etc.  And then all records with, say, "b; 
c; d" and so on.  How can I do this?  Any suggestions?
Thanks,

Walt



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Walter R. Paczkowski, Ph.D.
Data Analytics Corp.
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