XOR between strings


 
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# 1  
Old 03-15-2012
XOR between strings

I am aware of truth table for XOR between binary values .
Out of curious in would like to know how XOR works between 2 strings which contain alphabets .
For example A ^ B
How it works internally?
Please help me to understand this

Thanks
# 2  
Old 03-15-2012
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