English | MP4 | AVC 1280×720 | AAC 48KHz 2ch | 1h 07m | 100 MB
Learn how regular expressions can help you validate forms, search and replace in strings, and more. Regular expressions match patterns in strings. Pattern matching is a powerful tool programs can use to “understand” the text users type in.
What you’ll learn
- regular expressions
- form validation
- match
- replace
Table of Contents
1 What is a Regular Expression
2 Matching Specific Characters
3 Matching Character Ranges
4 Using Wildcard Characters
5 Finding Repeated Characters
6 Excluding Characters
7 Alternation
8 Groups
9 Beginning and Ending of Strings
10 What is Validation
11 Using Regular Expressions in JavaScript
12 Flags
13 Validating a Username
14 Validating a Password
15 Validating a Phone Number
16 Validating an Email
17 Using Replace with Captured Groups
18 A Better Telephone Number Validator
19 Reformatting a Telephone Number
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