Free Code Camp Walkthrough 23 | JavaScript - Regular Expressions
In this tutorial I'll show you how to get through the JavaScript Regular Expressions course on Free Code Camp.
Do the exercises yourself on freecodecamp.org and refer to the walkthrough when you get stuck - btw, as the name suggests: freecodecamp is free to use.
Free Code Camp | https://www.freecodecamp.org/learn/ja...
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Timestamps
0:00 Intro
0:18 Using the Test Method
1:44 Match Literal Strings
2:36 Match a Literal String with Different Possibilities
3:23 Ignore Case While Matching
4:28 Extract Matches
5:46 Find More Than the First Match
7:02 Match Anything with Wildcard Period
8:20 Match Single Character with Multiple Possibilities
10:28 Match Letters of the Alphabet
11:37 Match Numbers and Letters of the Alphabet
12:36 Match Single Characters Not Specified
14:14 Match Characters that Occur One or More Times
16:16 Match Characters that Occur Zero or More Times
17:46 Find Characters with Lazy Matching
19:53 Find One or More Criminals in a Hunt
20:56 Match Beginning String Patterns
22:31 Match Ending String Patterns
23:18 Match All Letters and Numbers
24:46 Match Everything But Letters and Numbers
25:47 Match All Numbers
26:08 Match All Non-Numbers
26:26 Restrict Possible Usernames
30:13 Match Whitespace
31:02 Match Non-Whitespace Characters
31:39 Specify Upper and Lower Number of Matches
33:08 Specify Only the Lower Number of Matches
34:05 Specify Exact Number of Matches
34:53 Check for All or None
35:45 Positive and Negative Lookahead
39:06 Check For Mixed Grouping of Characters
42:49 Reuse Patterns Using Capture Groups
45:24 Use Capture Groups to Search and Replace
48:59 Remove Whitespace from Start and End
50:54 Outro
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Music by Silent Partner
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