No. Japanese is very context sensitive, and like any natural language, has ambiguities. Japanese is loaded with dajare (puns). Grammar checking basically needs

No. Japanese is very context sensitive, and like any natural language, has ambiguities. Japanese is loaded with dajare (puns). Grammar checking basically needs AI - you need to train some model to understand common phrases and sentence structure. Before LLMs there was software like MeCab[1] which done this, and gave good results, but modern LLMs are much more capable. [1]:https://taku910.github.io/mecab/ https://taku910.github.io/mecab/