Split selection into multiple selection-s of a given textobject type

[lucyColeclough]

Something that I have found myself coming across quite frequently is the desire to split my current selection into multiple based on a given textobject type

Example-s

Real

• I frequently want a selection for each of a function~s argument-s in python. I have been using ( mi( , S-s, "ret") to achieve this, although some argument-s contain comma-s within their default argument and type denotation so this is not a guarenteed solution. A consistant method would be ( mi(, split_on_parameter)
• I had a text file of a book which had hard encoded new line-s and I wanted to remove these in order to let soft wrapping take over so that the file is not specific to screen size. I was creating a macro that selected the next paragraph and then joins the text however it is time consuming to count each paragraph to know how many time-s to run the macro. Running the macro too much would not have an adverse affect in this scenario but if a more complex operation were being performed on each paragraph then running the macro too many times could distort the file.
  As such it would be beneficial to input ( %, split_on_paragraph, some operation)

Hypothetical

• Select all class-s in a selection and alter the inheritance in some way
• Select all function-s in a selection and add a decorator to them ( python)

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Given that splitting is only one operation out of the various selection operation-s listed:

• keep
• split
• search
• select
• remove

And given that all of these operation-s already have a generic way of passing argument-s to them using regex, instead of implementing command-s solely for split it would be better to implement a method of specifying text object-s as an argument to these operation-s

A method of doing so would be to implement new special character-s for regex which corrospond to each textobject type, this would allow interaction of regex and ( textobject argument-s) without needing to design an interaction system.
One method of implementing such a thing without supporting interaction would be to allow either textobject-s or regex as an argument to these operation-s

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I do not wish to work on this currently and this is not a request of work from other-s, it is better that it is recorded here than in my personal note-s
Thank you for the existing work helix dev-s