Hi gurus.

I'm looking for a algorithm to search portions of string that have the same caracter. The only possible values are: a,n and g

Char index: 0 1 2 3 4 5 6 7 8 9 RESULT
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Example 1: a g g g a a 0,4
Example 2: g g g a n n a 0,3
Example 3: a g g g g g g a 0,7
Example 4: g g g g g g g 0,6
Example 5: g g a a g a a a g 0,2,3,5,7,8


Thanks in advance, I'm collapsed

Best regards