michael-nhat
/ compare_vietnamese_string.rb
Created
July 15, 2025 20:27
— forked from manhdaovan/compare_vietnamese_string.rb
Compare Vietnamese string
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| def string_2array(s) | |
| s.split('') | |
| end | |
| # return 1 if s2 > s1 | |
| # return 0 if s2 == s1 | |
| # return -1 if s2 < s1 | |
| def my_compare(s1, s2) | |
| downcase_letters = ' aàáảãạăằắẳẵặâầấẩẫậbcdđeèéẻẽẹêềếểễệfghiìíỉĩịjklmnoòóỏõọôồốổỗộơờớởỡợpqrstuùúủũụưừứửữựvwxyỳýỷỹỵz'.freeze | |
| upcase_letters = 'AÀÁẢÃẠĂẰẮẲẴẶÂẦẤẨẪẬBCDĐEÈÉẺẼẸÊỀẾỂỄỆFGHIÌÍỈĨỊJKLMNOÒÓỎÕỌÔỒỐỔỖỘƠỜỚỞỠỢPQRSTUÙÚỦŨỤƯỪỨỬỮỰVWXYỲÝỶỸỴZ'.freeze |