У вашего броузера проблема в совместимости с HTML5
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Remove all 91 ,1 from excel
you may use the excel function below:
=right(text, [num_chars])
For example if your telephone number is a 11-digit number starts with 91, now you only want the left 9-digit number, you may use the function as this: =right(A1, 9) (A1 is where your original 11-digit telephone number locates)