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Excel's Custom Data Validation: A Trick You Didn't Know You Needed
If you've used data validation in Excel before, you probably selected the relevant cells, clicked "Data Validation" in the ...
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In Part 1 of this series, I showed you an example of PowerShell's native validation capabilities. In that installment, I wrote a function that accepted a text string as input. The function then used ...
The Internet Engineering Task Force (IETF) document, RFC 3696, “Application Techniques for Checking and Transformation of Names” by John Klensin, gives several valid e-mail addresses that are rejected ...
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