import re
regex = r"\b(?:MS|PhD)\s*((?:(?!\b(?:MS|PhD)\b).)*)[.,]"
s = ("Candidate with MS or PhD in Statistics, Computer Science, or similar field.\n"
"Applicant with MS in Biology or Chemistry desired.")
matches = re.findall(regex, s)
print(matches)
aW1wb3J0IHJlCgpyZWdleCA9IHIiXGIoPzpNU3xQaEQpXHMqKCg/Oig/IVxiKD86TVN8UGhEKVxiKS4pKilbLixdIgpzID0gKCJDYW5kaWRhdGUgd2l0aCBNUyBvciBQaEQgaW4gU3RhdGlzdGljcywgQ29tcHV0ZXIgU2NpZW5jZSwgb3Igc2ltaWxhciBmaWVsZC5cbiIKCSJBcHBsaWNhbnQgd2l0aCBNUyBpbiBCaW9sb2d5IG9yIENoZW1pc3RyeSBkZXNpcmVkLiIpCgptYXRjaGVzID0gcmUuZmluZGFsbChyZWdleCwgcykKcHJpbnQobWF0Y2hlcyk=