how to find position of last alphabet from string?

h4k3r-d4rk

New Member
Hi I have a mix type of string. i want to remove special symbol from word which are using end of the words only.for ex.\[code\] "Kapil-Kumar?hasija--\[/code\]i need to remove special symbols which are coming after my sentence. So for this i need to find position of my last alphabet.
 
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