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Description
Regular expressions have a bad reputation for being difficult to understand. This course introduces tools and a systematic approach so you can unlock the power of regular expressions to write compact, elegant code.
Course Concepts
In this course, we will cover concepts from basic to advanced:
Quantifiers
Character collections, including negation
Character ranges
String boundaries
Character Classes
Flags
Greedy vs. Lazy Quantifiers
Multi-Character Quantifiers and Options
Capturing Groups (numbered and named)
Substitution / Replace
Lookahead and Lookbehind
Depending on your level of experience, you can start at the beginning, or start later with concepts you’ve always been interested in, but haven’t had a chance to learn yet.
Course Examples
Examples progress in a logical, narrative way. At the end of one example, we will think about how we might tweak it to do something similar but more powerful. In this way, the concepts flow naturally from one example to the next.
The course has 44 examples in the course of the lectures, each written out on different platforms (JavaScript / Python / Linux (grep)) in the course repository. Each regular expression is fully commented and has test cases to show how it’s intended to be used, so these are a great starting point if you like to “code by example” — start with an example you know works and tweak it for your purposes.
Course Exercises
There are also 46 exercises using Udemy’s code challenge platform. You are given a description of a regular expression, and then you write it using your choice of JavaScript or Python syntax. After you’re done, tests written especially for the exercises will let you know whether your regular expressions did the job they were supposed to. These exercises are a great way to cement the concepts in your brain, and make sure you really understand the material presented in the lectures.
Course Tools
The course uses regex101 (with permission of the author) to show how regular expressions match the test strings. There are also slides breaking down each regular expression example and explaining each piece.
Questions encouraged!
Please use the Q&A feature on Udemy to ask questions! I love to talk about why regular expressions don’t seem to be working, discussing decisions I made about course content, and debating regular expression philosophy.
Who this course is for:
Curious folks new to regular expressions
Developers looking to sharpen or expand their regular expression skills
Requirements
None! We will be using the regex101 web site to test our regular expressions, so all you need is a computer and web access
Last Updated 12/2020
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Regular Expressions for Beginners and Beyond! With Exercises
[TutsNode.com] - Regular Expressions for Beginners and Beyond! With Exercises
11. Lookarounds
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5. Positive Lookahead Example.mp4 (53.9 MB)
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2. Positive Lookbehind Example.srt (7.8 KB)
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5. Positive Lookahead Example.srt (7.6 KB)
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3. Negative Lookbehind Example.srt (6.8 KB)
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3. Negative Lookbehind Example.mp4 (48.5 MB)
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11. Regex101 Exercises for Lookarounds.html (4.9 KB)
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4. Lookaround Platform Support.srt (4.9 KB)
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1. Introduction to Lookarounds.srt (3.6 KB)
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6. Negative Lookahead Example.srt (3.2 KB)
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7. Notes on Exercises.srt (1.6 KB)
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8. IMPORTANT Lookaround JavaScript Exercises not available (Udemy limitations).html (0.4 KB)
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9. ES6 (JavaScript) Exercises for Lookarounds.html (0.2 KB)
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10. Python Exercises for Lookarounds.html (0.2 KB)
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2. Positive Lookbehind Example.mp4 (44.1 MB)
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4. Lookaround Platform Support.mp4 (38.0 MB)
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1. Introduction to Lookarounds.mp4 (22.6 MB)
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6. Negative Lookahead Example.mp4 (18.2 MB)
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7. Notes on Exercises.mp4 (14.6 MB)
9. Capture Groups
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3. Numbered Capture Groups.srt (7.1 KB)
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1. Introduction to Capture Groups.srt (4.7 KB)
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4. Named Capture Groups.srt (3.9 KB)
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2. Non-Capturing Groups.srt (2.8 KB)
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7. Regex101 Exercises for Capture Groups.html (2.5 KB)
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5. ES6 (JavaScript) Exercises for Capture Groups.html (0.2 KB)
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6. Python Exercises for Capture Groups.html (0.2 KB)
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3. Numbered Capture Groups.mp4 (45.6 MB)
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1. Introduction to Capture Groups.mp4 (36.5 MB)
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4. Named Capture Groups.mp4 (23.1 MB)
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2. Non-Capturing Groups.mp4 (18.5 MB)
1. Introduction
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2. Regular Expression Readability.srt (2.9 KB)
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3. Course Tools.srt (6.9 KB)
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4. Links Referenced in Course Content.html (1.1 KB)
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5. Ask me questions!.srt (2.3 KB)
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6. Requested Information for Questions.html (0.9 KB)
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1. What is a Regular Expression.srt (3.9 KB)
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3. Course Tools.mp4 (34.1 MB)
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1. What is a Regular Expression.mp4 (25.2 MB)
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2. Regular Expression Readability.mp4 (13.7 MB)
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5. Ask me questions!.mp4 (9.9 MB)
2. Explicit Characters and Quantifiers
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1. Explicit Characters.srt (6.6 KB)
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2. Introduction to Quantifiers.srt (2.9 KB)
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4. Escaping Special Characters.srt (5.6 KB)
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7. ES6 (JavaScript) Exercises for Explicit Characters and Quantifiers.html (0.2 KB)
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8. Python Exercises for Explicit Characters and Quantifiers.html (0.2 KB)
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6. Natural Curiosity.srt (1.6 KB)
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9. Regex101 Exercises for Explicit Characters and Quantifiers.html (2.0 KB)
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3. More Quantifier Examples.srt (3.4 KB)
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5. Curly Brace { } Quantifiers.srt (3.3 KB)
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1. Explicit Characters.mp4 (36.2 MB)
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4. Escaping Special Characters.mp4 (28.8 MB)
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5. Curly Brace { } Quantifiers.mp4 (21.1 MB)
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3. More Quantifier Examples.mp4 (19.1 MB)
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2. Introduction to Quantifiers.mp4 (14.0 MB)
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6. Natural Curiosity.mp4 (9.1 MB)
3. Collections, Character Ranges, and Negation
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1. Collections.srt (6.3 KB)
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3. Negation.srt (5.1 KB)
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2. Character Ranges.srt (2.8 KB)
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4. ES6 (JavaScript) Exercises for Collections, Ranges and Negation.html (0.2 KB)
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5. Python Exercises for Colections, Ranges and Negation.html (0.2 KB)
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6. Regex101 Exercises for Collections, Character Ranges and Negation.html (2.2 KB)
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1. Collections.mp4 (37.6 MB)
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3. Negation.mp4 (28.8 MB)
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2. Character Ranges.mp4 (14.7 MB)
8. Multi-Character Strings Quantifiers and Options
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5. Complex Multi-Character Example 24 hr Clock Display.srt (6.0 KB)
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2. Groups with Multi-Character Strings.srt (4.8 KB)
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1. Multi-Character String Options for Full Regex.srt (3.5 KB)
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8. Regex101 Exercises for Multi-Character Strings Quantifiers and Options.html (3.4 KB)
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6. ES6 (JavaScript) Exercises for Multi-Character Quantifiers and Options.html (0.2 KB)
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7. Python Exercises for Multi-Character Quantifers and Options.html (0.2 KB)
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5. Complex Multi-Character Example 24 hr Clock Display.mp4 (35.1 MB)
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2. Groups with Multi-Character Strings.mp4 (29.3 MB)
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3. Kittens Three Ways.mp4 (21.9 MB)
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1. Multi-Character String Options for Full Regex.mp4 (21.4 MB)
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4. Collections within Groups.mp4 (9.1 MB)
4. Whitespace Characters and String Boundaries
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4. Example Anchoring to Start of String.srt (5.9 KB)
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5. Example Anchoring to Both Ends of String.srt (5.0 KB)
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2. Specifying Whitespace Characters.srt (4.3 KB)
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1. Backslash Revisited.srt (2.2 KB)
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3. Introduction to String Boundaries.srt (2.3 KB)
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6. ES6 (JavaScript) Exercises for Whitespace and String Boundaries.html (0.2 KB)
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7. Python Exercises for Whitespace and String Boundaries.html (0.2 KB)
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8. Regex101 Exercises for Whitespace Characters and String Boundaries.html (3.1 KB)
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4. Example Anchoring to Start of String.mp4 (36.2 MB)
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5. Example Anchoring to Both Ends of String.mp4 (28.8 MB)
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2. Specifying Whitespace Characters.mp4 (24.6 MB)
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1. Backslash Revisited.mp4 (17.1 MB)
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3. Introduction to String Boundaries.mp4 (12.3 MB)
5. Character Classes
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1. Whitespace Character Classes.srt (5.1 KB)
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8. Regex101 Exercises for Character Classes.html (3.7 KB)
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3. Word Boundary Characters.srt (3.4 KB)
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2. Other Character Classes.srt (2.5 KB)
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4. b vs W.srt (3.2 KB)
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5. Another Character Class Example.srt (2.5 KB)
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6. ES6 (JavaScript) Exercises for Character Classes.html (0.2 KB)
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7. Python Exercises for Character Classes.html (0.2 KB)
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1. Whitespace Character Classes.mp4 (31.9 MB)
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3. Word Boundary Characters.mp4 (19.6 MB)
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4. b vs W.mp4 (18.7 MB)
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5. Another Character Class Example.mp4 (14.2 MB)
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