choisw8661

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

2025 추석맞이 감사할인

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.