Regular Expressions and Pattern Matching
The capabilities for finding patterns in strings is very powerful using a concept called "Regular Expressions", which is often abbreviated REGEX or REGEXP. Regular expressions allow for very flexible and complex patterns to be described and found in strings, and the related LityxIQ functions allow you to find, replace, count, and perform other operations on matched patterns. Regular expressions are very hard to learn, but can be very powerful. We recommend online resources such as https://regex1...