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Course

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 (видео, 02:19) / quiz / exercise

Learn basic regular expressions.

2.

Character classes

theory (видео, 02:57) / quiz / exercise

Learn to create and use character classes

3.

Position

theory (видео, 02:19) / quiz / exercise

Learn how to define boundries

4.

Alternation

theory (видео, 01:24) / quiz / exercise

Learn how to alternate between options

5.

Quantifiers

theory (видео, 01:59) / quiz / exercise

Learn how to deal with repetitions

6.

Greediness

theory (видео, 02:00) / quiz / exercise

Learn to stop being greedy

7.

Grouping and backreferences

theory (видео, 04:42) / exercise

Learn how to re-use groups in regular expressions.

8.

Modifiers

theory (видео, 02:35) / quiz

Learn how to control the behaviour with flags

9.

Look around

theory (видео, 01:47) / exercise

Learn to exclude things from the result

10.

Conditionals

theory (видео, 01:55)

Learn to use conditionals

11.

Flags

theory (видео, 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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