dear all, i have a text file: 
A G C T G G G G A C T T T A G C

[download]
i also have a number file with a same length of text file: 
34 23 43 45 34 43 45 7 45 43 12 34 32 56 43 67

[download]
my problem is : the corresponding number for each alphabet should be above 10. but, when there is repetition of alphabet which is 3 or more, the last alphabet (last alphabet in the repeat, example 'G') is less than 10, which should be chopped off from the string in alphabet file and also in number file. in some cases the repeats may not have less than 10 (like last alphabet in repeat 'T'). it can be left as it is. how do i solve this problem.? plz help.

In reply to finding position by heidi

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