Example 1
Example 2
Example 3
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.Example 1
Example 2
Example 3
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.