How to get group list by string contain alphabet

[ck_user]

Hi all,

I would like to ask how to group list by string that contains alphabet like the screenshot below ?

Thank you all

[BCochin]

You should try the groupbykey node.
In the list input, your list to sort.
In the key input, an extract of your string.
Maybe list.split node could be useful to build your key.
Can’t give you any example, I don’t have my laptop for the moment…

[shkattii]

[ck_user]

thank you very much