based on the above string (a DNA sequence) I wish to extract sub-strings of length $>5$ characters that compose of consecutive
"t"'s and not include
For example, few of the substrings are
"tataaat" $\ldots$ so on and so forth.
I tried using
StringCases but I cannot identify a pattern for the
StringCase function that I can employ to select only sub-strings that are combinations of
Moreover, I would be grateful if someone can direct me to a place where I can study more about how to use patterns for strings in Mathematica.