itarticle python course 3 week 2 Import the library re.search() re.findall() Extracting Data Greedy and None-Greedy Matching Parentheses Tips 0
itarticle algorithim-string De-duplication Substring -> strstr reversal replacement moving letters around(ABCD1234 => A1B2C3D4) permutation(use DFS) Decoding/Encoding Longest substring that contains unique chars Reg Matching 0