import re
sentence= "GPT3, BERT, and T5 are advanced NLP models from OpenAI and Google."
match1 = re.findall(r'\b[A-Z]{2,}[0-9]\b', sentence)
match2 = re.findall(r'[A-Z][a-z]+', sentence)
match3 = re.findall(r'[A-Z].+?[a-z]', sentence)
match4 = re.findall(r'[A-Z][A-Z0-9]+', sentence)
print (match1)
print (match2)
print (match3)
print (match4)
aW1wb3J0IHJlCgpzZW50ZW5jZT0gIkdQVDMsIEJFUlQsIGFuZCBUNSBhcmUgYWR2YW5jZWQgTkxQIG1vZGVscyBmcm9tIE9wZW5BSSBhbmQgR29vZ2xlLiIKbWF0Y2gxID0gcmUuZmluZGFsbChyJ1xiW0EtWl17Mix9WzAtOV1cYicsIHNlbnRlbmNlKQptYXRjaDIgPSByZS5maW5kYWxsKHInW0EtWl1bYS16XSsnLCBzZW50ZW5jZSkKbWF0Y2gzID0gcmUuZmluZGFsbChyJ1tBLVpdLis/W2Etel0nLCBzZW50ZW5jZSkKbWF0Y2g0ID0gcmUuZmluZGFsbChyJ1tBLVpdW0EtWjAtOV0rJywgc2VudGVuY2UpCnByaW50IChtYXRjaDEpCnByaW50IChtYXRjaDIpCnByaW50IChtYXRjaDMpCnByaW50IChtYXRjaDQpCg==
['GPT3']
['Open', 'Google']
['GPT3, BERT, a', 'T5 a', 'NLP m', 'Ope', 'AI a', 'Goo']
['GPT3', 'BERT', 'T5', 'NLP', 'AI']