Personally I’ve been using Excel for storing phone numbers for almost twenty years now. Every now and then I don’t recognize the phone number so I need to search in my Excel sheet looking up who called me. After ten years and 500 phone numbers plus, the information stored in the Excel sheet is ‘poluted’ with hyphens and spaces. So in this article I’ll try to explain how to clean up messy telephone numbers by removing spaces and separators in Excel?
I received an e-mail from Marc, in which he asked me whether it is possible to split numbers and text in Excel. The answer to the solution is based upon determining the first position of a number in a string, you can do that by using the following formula.
As I’m currently working a lot with Excel, I get a lot of questions like “How do I do this?” or “How do I do that?”. Yesterday someone asked me how to convert a data string to a MAC address. The standard format for printing MAC addresses in human-friendly form is six groups of two hexadecimal digits, separated by hyphens (-) or colons (:), in transmission order, e.g. 01-23-45-67-89-ab, 01:23:45:67:89:ab. In this article, I’ll give you examples of how to add, remove, or change the separator for MAC addresses in MS Excel or OO Spreadsheet.
Adding a seperator (change 0123456789ab into 01-23-45-67-89-ab)
An alternate solution, to convert the Cisco 0123.4567.89ab MAC format to the F5 load balancer MAC format of 01:23:45:67:89:ab, was send in by Mike Wintrode. To add an extra twist, the F5 load balancer also removes the leading “0” in any pair, so for instance 00:14:0F:80:a3:01 would show as 0:14:f:80:a3:1.
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