Which option correctly matches a string that starts with 'a' and ends with 'z', with any number of characters in between?^a*z$a*z^a.*z$a.+z

7Which of the following regular expression patterns matches a string that contains only lowercase letters, digits, and hyphens, and starts with a letter?Review Later/^[a-z][a-z0-9-]$//[a-z][0-9a-z-]//[a-z0-9-]//^[a-z]+[a-z0-9-]$/

Which of the following text when matched with the regular expression “[a-zA-Z&&[^aeiou]]+” will return true?Select one or more:a.Myb.Goodc.mustd.cry

10. Regular Expression MatchingAttemptedHardTopicsCompaniesGiven 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 (.)".

Which metacharacter is used to match the end of a string?^$.+

Reduce a string of lowercase characters in range ascii[‘a’..’z’]by doing a series of operations. In each operation, select a pair of adjacent letters that match, and delete them.Delete as many characters as possible using this method and return the resulting string. If the final string is empty, return Empty String