LogQL multiple regexp and line_format

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Hello,
I can write multiple regexes when viewing logs from Loki in Grafana. For example:

{job=~"myjob"}
| regexp "^(?P<Log_Time>\\d{4}\\/\\d{2}\\/\\d{2} \\d{2}:\\d{2}:\\d{2} \\d+) +(?P<Message>.*)$" 
| regexp "^(?P<Log_Time>\\d{1,2}:\\d{1,2}:\\d{1,2})  +(?P<Level>(ERR|INFO))$"

But I can’t format each regex to its own format. In the example below, the last line_format rule always works.

{job=~"myjob"}
| regexp "^(?P<Log_Time>\\d{4}\\/\\d{2}\\/\\d{2} \\d{2}:\\d{2}:\\d{2} \\d+) +(?P<Message>.*)$" 
| logfmt
| line_format "{{ .Log_Time }} | {{ .Message }}"
| regexp "^(?P<Log_Time>\\d{1,2}:\\d{1,2}:\\d{1,2})  +(?P<Level>(ERR|INFO))$" 
| logfmt
| line_format "{{ .Log_Time }} | {{ .Level }}"