Day 2 Clicker Questions

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1) Regular Expression match

Select the string for which the regular expression ..\.19.. would find a match

12.1000

123.1900

12.2000

The regular expressioin does not match any of the strings above

2) Jaccard Similarity

What is the Jaccard similarity of the phrases:
"Sam loves limp bizkit"
and
"Sam eats limp biscuits"

3) Cosine similarity

What is the Cosine similarity of the phrases:
"Sam loves limp bizkit"
and
"Sam eats limp biscuits"