import re
text = 'Select ID, Deliveryid.calc Select ID, Deliveryid.calc Select ID, Deliveryid.calc\nSelect Deliveryid.calc Select Deliveryid.calc'
print( re.findall(r'[\s,]([^\s,]*)\.calc', text) )
aW1wb3J0IHJlCnRleHQgPSAnU2VsZWN0IElELCBEZWxpdmVyeWlkLmNhbGMgU2VsZWN0IElELCBEZWxpdmVyeWlkLmNhbGMgU2VsZWN0IElELCBEZWxpdmVyeWlkLmNhbGNcblNlbGVjdCBEZWxpdmVyeWlkLmNhbGMgU2VsZWN0IERlbGl2ZXJ5aWQuY2FsYycKcHJpbnQoIHJlLmZpbmRhbGwocidbXHMsXShbXlxzLF0qKVwuY2FsYycsIHRleHQpICk=