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[strO]=strLetterCounter(strI) Function to find repetitions of letters in an input string.
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String Letter Counter Function

07 Jan 2010 (Updated 07 Jan 2010)

This function returns comma separated unique letter counts in an input string, keeping the order.

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Description

Statement: strLetterCounter('string')
....where, 'string' is an input string containing alphabet or numbers.

Ex: string='aaaaaaaabbbbbbccd'
Statement: strLetterCounter(string)
Output: '8a,6b,2c,1d'

Note: This function is different from the Matlab function called 'unique' because it keeps the order in which letters occur in the string.

MATLAB release

MATLAB 7.4 (R2007a)

Tags for This File
Everyone's Tags	alphabet count, count strings, letter count, numbers, signal processing, string manipulation, strings
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Comments and Ratings (1)
12 Jan 2010	Oleg Komarov	Poor preallocation. Complex output. Poor help. >> strLetterCounter('aaaaaaaabbbbbbccdaaa') ans = 8a,6b,2c,1d,3a This fcn counts the length of continues blocks. Oleg

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Updates
07 Jan 2010	Fixed printing of a local variable.