How to Count occurrences?
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Given a text: ‘tagtacagccagtagagttgattccaaggaagtccggctgttgtagagtagc’ and a three-character target pattern (for example: ‘TAG’ ), your program should identify all target patterns in the text and output the number of occurrences of the target pattern.
Sample output Text:tagtacagccagtagagttgattccaaggaagtccggctgttgtagagtagctag
Target:TAG
Number of TAG:5
Target:tag
Number of tag:5
Target:GTa
Number of cag:2
Target:exit Program terminated!
3 commentaires
Priyadharshini A.R
le 10 Mai 2021
Hello Dabney,
The loop must go on till n-m+1 so that it can traverse till last element in text
Réponses (2)
Jan
le 10 Mai 2021
t = 'tagtacagccagtagagttgattccaaggaagtccggctgttgtagagtagc';
tag = 'tag';
result = sum(strfind(lower(t), lower(tag)))
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