You may find yourself in a situation where you remember the content of a file but not its name. Linux offers various commands to help you find files based on specific text strings within them. By ...

Regex is a powerful – yet overlooked – tool in search and data analysis. With just a single line, you can automate what would otherwise take dozens of lines of code. Short for “regular expression,” ...

Excel has formulas for just about everything—XMATCH for finding data, IF for logic, and SUMIF for conditional totals. But you've probably hit a wall if you've ever needed to extract specific patterns ...

Note that you can easily use a regular expression search to capitalize certain strings in text. In this example we have a list of names, and we want to capitalize the last names of each person. Using ...