Concatenate Array

Concatenate Array
Yesterday I made a post about concatenating range with strings in Excel. But there is one problem, it does not work with array formulas. So you cannot put condition on one column and based on that concatenate values form another. For this you would need a function like the one below. And a sample use.

Concatenate Range 1

Concatenate Range
The Excel’s concatenate formula, or operator & do not work with ranges. You have to specify each parameter you want to add to the string. Sometimes it may get annoying, especially when the range is dynamic and depends on some parameters. Then it would be useful to have a formula that can work with ranges, ...

Rank with Exclusion

Rank with Exclusion
Recently I stumbled upon a problem of ranking observations with exclusion, i.e., not including all of them in the rank. In Excel prior to 2010 you would normally use function =RANK(), in all later versions there are also functions =RANK.EQ() and =RANK.AVG(). They differ only in a way of assigning a rank to observations which ...

Regular Expressions in Excel or Access

If you do not want to restrict yourself to just like or equality in Access WHERE clauses, or you just want to be able to embed typical regular expressions in your Excel formulas, then try this short piece of VBA code. This code was my answer to one of the questions at StackOverflow. Before you ...