python-regex-from-hell.py

OUTPUT_OBJECT_PATTERN = re.compile(r"""
        ^output\s+                   # Terraform `output` object declaration
        "(?P<objname>.*?)"\s*        # Variable name, within quotes - non-greedy match within quotes
        \{\s*                        # Opening brace
        (?:                          # Order independent matching of variable fields
            (?:                      # Attempt to extract the description field
                description\s*       # Match 'description' literal
                =\s*                 # Match '=' literal
                "(?P<desc>.*?)"\s*   # Match and capture quoted string
            )
            |
            (?:                      # Attempt to extract the value field
                value\s*             # Match 'value' literal
                =\s*                 # Match '=' literal
                "(?P<value>.*?)"\s*  # Match and capture quoted string
            )
            |
            .*?                      # Match and discard other fields
        ){0,2}                       # Match this group up two two times, letting us perform two passes/captures
        \s*
        \}\s*
""")