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Learn how to use regular expressions to validate information entered by users, such as email addresses or mobile phone numbers, and process them to make them more readable.

evanmoon

Become a 200% Productive, 2x Engineer with Regular Expressions

입문

초급

중급이상

Regex

Introduction to the course

First encounter with regular expressions

Identify and express the pattern I want with a set of characters

How many times does this pattern appear? Let's find out with the quantifier.

Let's try to be a little more clear and precise with the anchor.

Flags that make my regular expressions work smarter

Let's save the matched expression and load it again.