Qatorning oxirgi nuqtasi ortidan barcha belgilarni olib tashlash uchun regex ifodasi quyidagicha: `\.[^.]*$` Ushbu ifodada nuqta (`\.`) bilan nuqta (`[^.]*`) bilan to'g'ri keladi. Ushbu moslikni bo'sh qator bilan almashtirib, siz oxirgi nuqtani va undan keyingi hamma narsani olib tashlashingiz mumkin. Masalan, agar sizda X.Y.4 namunasi bo'lsa, ushbu ifodada.4 mos keladi va uni  bilan almashtiradi, natijada X.Y. Bu erda Python-da ushbu ifodani qanday ishlatishni ko'rsatadigan ba'zi kodlar mavjud: ```python import namunasi re = "X.Y.4" regex.] = rex" [\*$" = re.subrexult,
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence