Comprehensive Guide for Regular Expressions
What is Regex? Regular expressions ( or regexes, or regex patterns) are essentially a kind of formal grammar/syntax used to find the set of possible strings that you want to match. At first, REs can look pretty scary and daunting, but we can write highly efficient matching patterns in terms of length and speed after understanding even a few special characters. We can use REs to save the day in a variety of use cases :...