What is the use of \w in regex?*1 pointUsed for a whitespace characterUsed for a non whitespace characterUsed for a word characterUsed for a non word character

regular expression pattern of "\w"

What does the regular expression \d+ match?  *Matches one or more whitespace charactersMatches one or more word charactersMatches one or more digitsMatches one or more non-word characters

8.Question 8What does the \w symbol match to in a regular expression?1 pointAny numberAny letterAny character and symbolAny alphanumeric character

What is the difference between the "+" and "*" character in regular expressions?1 pointThe "+" matches at least one character and the "*" matches zero or more charactersThe "+" matches upper case characters and the "*" matches lowercase charactersThe "+" matches the beginning of a line and the "*" matches the end of a lineThe "+" matches the actual plus character and the "*" matches any characterThe "+" indicates "start of extraction" and the "*" indicates the "end of extraction"

What is the "wild card" character in a regular expression (i.e., the character that matches any character)?1 point.*^?+$