Module vi::validation

Validation functions for verifying if a word is a valid vietnamese word.

The structure of a vietnamese word

1 optional consonant / consonant cluster + 1 compulsory vowel / vowel cluster + 1 optional consonant / consonant cluster

The starting consonant are called initial consonant, while the consonant at the end is called the final consonant. A cluster of consonant can contains 1 -> 3 characters. See: https://en.wikibooks.org/wiki/Vietnamese/Consonants

Functions

• are_valid_consonants
• is_valid_final_consonant
• is_valid_initial_consonant
• is_valid_word
  Verify if a word is a valid vietnamese word.