import re
regex = r"\b\d+\.\d+(?:,\s*\d+\.\d+)+\b"
s = "123.49, 19.30, 02"
match = re.search(regex, s)
if match:
print(match.group())
aW1wb3J0IHJlCgpyZWdleCA9IHIiXGJcZCtcLlxkKyg/OixccypcZCtcLlxkKykrXGIiCnMgPSAiMTIzLjQ5LCAxOS4zMCwgMDIiCgptYXRjaCA9IHJlLnNlYXJjaChyZWdleCwgcykKCmlmIG1hdGNoOgoJcHJpbnQobWF0Y2guZ3JvdXAoKSk=