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

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

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

Given an input string s and a pattern p, implement regular expression matching with support for '.' and '*' where:'.' Matches any single character.​​​​'*' Matches zero or more of the preceding element.The matching should cover the entire input string (not partial). Example 1:Input: s = "aa", p = "a"Output: falseExplanation: "a" does not match the entire string "aa".Example 2:Input: s = "aa", p = "a*"Output: trueExplanation: '*' means zero or more of the preceding element, 'a'. Therefore, by repeating 'a' once, it becomes "aa".Example 3:Input: s = "ab", p = ".*"Output: trueExplanation: ".*" means "zero or more (*) of any character (.)". Constraints:1 <= s.length <= 201 <= p.length <= 20s contains only lowercase English letters.p contains only lowercase English letters, '.', and '*'.It is guaranteed for each appearance of the character '*', there will be a previous valid character to match.

What will match the regular expression ^83?any string that ends with 83any string that begins with 83any string with values greater than 83any string that includes 83

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"