Update README.md

README.md

@@ -25,4 +25,23 @@ A reformatting of compatible triplets from https://huggingface.co/datasets/tolle
 This includes all pairs that contain both a contradiction and an entailment.
 In cases where a neutral also exists, this is a duplicated triplet, with the same contr./ent.
 
+Simple normalization of sentences:
+```python
+from neattext.functions import clean_text
+import re
+
+def symbol_cleaner(s):
+    s = re.sub(r"^[^\w\d]+", "", s)
+    s = re.sub(r"[^\w\d]+$", "", s)
+    return s
+
+def filter_sent(sent):
+    sent = clean_text(sent, puncts=False, stopwords=False, non_ascii=False)
+    sent = symbol_cleaner(sent)
+    return sent
+
+def filter_triplet(triplet):
+    return [filter_sent(sent) for sent in triplet]
+```
+
 [More Information needed](https://github.com/huggingface/datasets/blob/main/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)