excel - Validity of a number in a cell -


i have members table in excel column cell phone numbers, , need output members cell phone numbers invalid (less/more 10 digits).

can suggest best way of doing this?

is there formula count number of digits in cell?

try regex:

/(?:(?<= [+][1-9])|(?<= [1-9])|(?<= ))([2-9][0-9]{9})\b/gi

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