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JavaScript regular expression basics and practice

In any programming language, regular expressions are an important piece of knowledge. They provide an efficient string matching and capturing mechanism, which can greatly simplify program design.

Intermediate

javascript

regexp

13809 person learning

11class hour

02 hours 33 minutes 41 secondsTotal course duration

2022-04-21update

PHPz

Gold lecturer

A total of 72 courses Student45558 Lecturer rating5.7

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Course Introduction Course Outline Other Courses

You will learn：

Basic knowledge of regular expressions Flexibly master regular expressions through practical cases

JavaScript regular expression basics and practice

Chapter1 Basic knowledge of regular expressions
expand retract

Section1 First experience with regular expressions
duration： 12 minutes 55 seconds

Section2 Two ways to create regular objects
duration： 12 minutes 39 seconds

Section3 What are regular modifiers?
duration： 06 minutes 13 seconds

Section4 Types and uses of atomic characters
duration： 15 minutes 41 seconds

Section5 mysterious metacharacters
duration： 19 minutes 16 seconds

Section6 Character object methods that support regular parameters
duration： 11 minutes 12 seconds
Chapter2 Regular expression practical case
expand retract

Section1 Use capture groups to get the most repeated characters and their number (1)
duration： 13 minutes 15 seconds

Section2 Use capture groups to get the most repeated characters and their number (2)
duration： 14 minutes 34 seconds

Section3 How to remove whitespace characters in the middle and sides of a string
duration： 09 minutes 15 seconds

Section4 How to verify whether the email is legitimate?
duration： 19 minutes 43 seconds

Section5 How to filter mobile phone numbers in user messages?
duration： 18 minutes 58 seconds

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