bukan angka itu tanda
bukan angka itu tanda .
b u k a n WORD_BOUNDARY a ŋ k a WORD_BOUNDARY i t u WORD_BOUNDARY t a n d a WORD_BOUNDARY
b u k a n WORD_BOUNDARY a n g k a WORD_BOUNDARY i t u WORD_BOUNDARY t a n d a WORD_BOUNDARY . WORD_BOUNDARY