r _ string - dwisianto/dwisianto GitHub Wiki https://github.com/vi3k6i5/flashtext https://bergvca.github.io/2017/10/14/super-fast-string-matching.html https://bergvca.github.io/2020/01/02/string-grouper.html https://github.com/Bergvca/string_grouper Trie https://github.com/google/pygtrie https://stackoverflow.com/questions/11015320/how-to-create-a-trie-in-python/11015381#11015381 Pickle Encryption https://github.com/marcobellaccini/pyAesCrypt https://github.com/marcobellaccini/pyAesCrypt