Day 14 - Regular expressions - Classes

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Exercise 14.11

Match any line of examples.txt containing a left square bracket “[”

Go to solution

That’s all about classes, as you can see the regular expressions syntax allows you to express rich

patters in a short way, which is good! Now, use the time you saved thanks to the smart regular

expressions! Have a chat with a friend, read a comic, lay in the sun if it is summer, build a snowman

if it is winter. Class(es) dismissed!

Suggested film for the evening: Dead Poets Society (1989) - A Unix programming class with a teacher

that knows which man pages to keep and which to rip out.