How to place the last alphabetic character from TS1

Write a single MATLAB statement that will accomplish the stated purpose. Assume a text string TS1 has already been defined. Place the last alphabetic character in TS1 into LastLetter. Example: TS1='%@3Gb6' returns LastLetter=b.

[Stephen23]

Read this:

http://www.mathworks.com/company/newsletters/articles/matrix-indexing-in-matlab.html

[Walter Roberson]

http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer

Answer 1

[Thorsten]

 TS1='%@3Gb6';
 Lastletter = TS1(max(regexp(TS1, '[a-zA-Z]')))