* each capturing parenthesis that matched containing the text that was captured. If the match fails,* successive matches in the same string. When you do so, the search starts at the substring of `str`* The index at which to start the next match. A read/write integer property that specifies the index* - If `lastIndex` is equal to the length of the string and if the regular expression does not match* indicates that a multiline input string should be treated as multiple lines. For example, if "`m`"