PYTHONExplain each in English and the results. Thank you

Describe the following regular expressions in plain English. What does the regular expression match? You can type each command into your notebook to see the results. 1. re.search ( r "\} \backslash d ^ { \prime \prime } \text { , "it takes } 2 \text { to tango").group () } 2. re.search ( r " \W\s\d.\d, "take 2 grams of H20).group() 3. re.search ( r "\} \backslash s \backslash w * \backslash s " \text { ", "once upon a time").group() } 4. re.search( r " \s\w{1,3}\s, "once upon a time").group() 5. re.search ( r " \s\w\( \backslash s \backslash w * \$ " \)quot;, "once upon a time").group()