What is the difference between vbcr, vblf, and vbcrlf?

On msdn:
Vbcrlf
CHR (13) + CHR (10)
Carriage return/line feed combination.

Vbcr
CHR (13)
Carriage return.

Vblf
CHR (10)
Line Break.

HoweverCodeThe actual results are the same. What is the difference?

Msgbox (vbcrlf & "")

Msgbox (vbcr & "")

Msgbox (vblf & "")
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For example:
Dim A as string = "1 23 456 789"
Dim B () as string = A. Split (New char () {vbcr })
Dim B () as string = A. Split (New char () {vblf })

There is no difference in the same results
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Try
Dim A as string = "1" & vbcr & vblf & "23" & vb cr & vblf & "456" & vbcr & vblf & "789"
Dim B () as string = A. Split (New char () {vbcr })
Dim C () as string = A. Split (New char () {vblf })
Dim D () as string = A. Split (New char () {vbcr, vblf })
Dim E () as string = Split (A, vbcrlf)
By carefully analyzing the split string array, such as the length and each character of the substring, you can find the differences
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The carriage return and line feed are two characters. I remember the history as follows (not quite clear, as if it was like this ):

In the early Mac system, line breaks were used to achieve text line breaks. This is an orthodox approach. In Unix systems, carriage returns represent text line breaks, both of which are invisible characters, after the appearance of DOS, Bill Gates used the combination of the two to implement line feed in order to realize that all documents under DOS can be read in MAC and Unix systems (that is, all documents under DOS, in this way, DOS files are not displayed on Mac or UNIX. This is why sometimes UNIX text files are displayed in a line under Win...
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In the DOS era, these two characters have their own division of labor. Cr: move the cursor back to the beginning of the line. Lf: move the cursor down one line.

however, in windows, there is basically only Cr, that is, CR has both LF functions. Lf becomes dispensable and can only be used on some terminal interfaces, such as telnet.