With large sets of data, XLOOKUP can take a long time to calculate. If the source data is sorted by lookup value, one way to speed up calculation time considerably is to enable XLOOKUP's binary search feature. In the example shown, the formula in F5 …Read more
The Excel REGEXTEST function tests for the existence of text defined by a given pattern. Regex patterns are very flexible and can be configured to match numbers, email addresses, dates, and other values that have an identifiable pattern. The result from REGEXTEST is TRUE or FALSE. The …Read more
Combinations and permutations are two basic ways to count possibilities, used in probability, statistics, games, passwords, and lotteries. This article explains the difference between them, when order and repetition matter, and the Excel functions you can use to calculate each case: FACT, PERMUT, …Read more
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