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 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

1.Question 1What is the purpose of the caret (^) character in a regular expression?1 pointIt matches the beginning of a lineIt matches the end of a lineIt signals the beginning of a string to extractIt escapes other characters, taking away their special meaning2.Question 2What is "greedy" matching in regular expressions?1 pointIt means that an expression must match in the first 200 charactersIt means that a regular expression matches the longest possible matching expressionIt means that a regular expression matches the shortest possible matching expressionIt means that there must be at least two matches within a string to be successful3.Question 3What does the regular expression '[a-zA-Z]' match?1 pointThis is not a regular expression at all - it is just textA single upper or lower case letterIt matches any six-character string of lettersAny string that is surrounded in square brackets

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

What does /[^(]* regular expression indicate?

What is the regular expression ‘.* ‘match?Any stringAny non-empty stringAny string that contains at least one dotAny string that starts with a dot