key1 = value1
key2 = value2
key3 = value3
key value pair in one or more lines. Tried (\w+)\s{0,}=\s{0,}(("(.+?)")|(.+?)(?=\s|$))
key1 = value1
key2 = value2
key3 = value3
key value pair in one or more lines. Tried (\w+)\s{0,}=\s{0,}(("(.+?)")|(.+?)(?=\s|$))