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764e408a5f
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@ -118,11 +118,14 @@ Write patterns that match the following strings:
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#hint([Remember that the check digit may be an `X`. Dashes are optional.])
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- A word of even length. \
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#hint([The set `[A-z]` contains every english letter, capitalized and lowercase. \
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`[a-z]` will only match lowercase letters.])
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#hint([
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The set `[A-z]` contains every english letter, capitalized and lowercase. \
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`[a-z]` will only match lowercase letters.
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])
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- A word with exactly 3 vowels. \
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#hint([The special token `\w` will match any word character. \
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#hint([
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The special token `\w` will match any word character. \
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It is equivalent to `[A-z0-9_]`. `_` represents a literal underscore.
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])
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