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})$/