Tabs and newline methods under linux

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Tabs and line breaks under linux

One:

Tabs and newlines under linux are represented by\ t\ t and\ n\ n

For example:

$str = "

Aa

Bb

Cc

"

Echo preg_replace ("/\ n\ n |\ r\ rgamot I", "", $str)

Output: aabbcc

Denoted by\ n and\ t under windows

Two:

To enter tabs from the keyboard under linux, you need to press Ctrl+v+tab at the same time.

In addition, you can echo-e "a\ tb" if you want to echo tabs.

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