A regular expression, often abbreviated as regex, is a sequence of characters that serves as a pattern for searching within a string. It is widely employed to locate specific patterns, substitute characters, or validate input strings. This tutorial will comprehensively explore the various components of a regex and demonstrate their application in the context of matching an email address.
Here's the regex: /^([a-z0-9_.-]+)@([\da-z.-]+).([a-z.]{2,6})$/