RegexdrillAlternation: cat, dog or bird
A regex exercise from Regexdrill. Solve it with a pattern box with live highlighting in your browser, checked against hidden test strings, and it is checked the moment you submit.
The task
The whole line must match. Match exactly one of the words cat, dog or bird.
What this exercise teaches
cat|dog|bird tries each word in turn. The checker wraps your pattern so the chosen word must be the whole line.
A hint if you get stuck
The vertical bar | means or. It splits the pattern into alternatives.
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