how to compare two array ?

[Rohullah]

Hello

I want to compare two array and save the miss match caharector into 3rd array.

how to do it give me the best answer.

[tlhintoq]

A loop within a loop

loop through Array 1

Select an element

Loop through Array 2

Was a match found to the element from loop 1?
If no match, add it to array 3