Array constants can only contain text in double quotes, plain numbers (no currency symbols or percent signs), or Boolean ...

Regular expressions (or REGEX) are search patterns that can be used to check if a string of text conforms to a given pattern and extract or replace strings of text that match a given pattern. Given ...

You might be familiar with using spreadsheets at work, but they're also a great tool for personal use. Whether you're tracking expenses or putting together a wedding guest list, a spreadsheet can make ...