How to identify cases of a string variable having sequences of values in SPSS 20

I have a single string variable consisting of 30 characters for each case. The characters have values from 0 to 5. the 0 is the most common value. I would like to identify all cases having a sequence such as: 1 followed by a 4 with no other number except 0s between.

Examples of the cases I would want to identify would include, for example:


Is it possible to do this in SPSS 20? How? thnx