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Regular expressions

Almost every programmer faces regular expressions in everyday practice. Many are frightened by them, but regular expressions are based on few basic ideas, and by understanding them you can learn understand expressions once and forever.

1.

Symbols and meta-symbols

↳ theory (video 02:19) / quiz / exercise

Learn basic regular expressions.

2.

Character classes

↳ theory (video 02:57) / quiz / exercise

Learn to create and use character classes

3.

Position

↳ theory (video 02:19) / quiz / exercise

Learn how to define boundries

4.

Alternation

↳ theory (video 01:24) / quiz / exercise

Learn how to alternate between options

5.

Quantifiers

↳ theory (video 01:59) / quiz / exercise

Learn how to deal with repetitions

6.

Greediness

↳ theory (video 02:00) / quiz / exercise

Learn to stop being greedy

7.

Grouping and backreferences

↳ theory (video 04:42) / exercise

Learn how to re-use groups in regular expressions.

8.

Modifiers

↳ theory (video 02:35) / quiz

Learn how to control the behaviour with flags

9.

Look around

↳ theory (video 01:47) / exercise

Learn to exclude things from the result

10.

Conditionals

↳ theory (video 01:55)

Learn to use conditionals

11.

Flags

↳ theory (video 02:05)

Learn few global flags

★ Challenges

Some courses include challenge exercises. They will help you obtain more experience in programming and strengthen new skill. This particular course doesn't have any, but you can check out challenges from other courses.

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370
Students
16
questions
& answers
22
hours
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