Change a series of numbers when they start with 2

[massimo la terra]

txt file,
When the series of numbers begins with 2, it takes into account the next 6 digits and those after the comma
original txt example
2230090048707,2
2916220064167,2
2031270035247,2
2030330087752,2
final result
230090,2
916220,2
031270,2
030330,2

[PeterJones]

This post is deleted!

[PeterJones]

See @Alan-Kilborn 's answer in your other identical question

[Ekopalypse]

This post is deleted!