Escape character |
How Unicode is represented |
function explanation |
\b |
\u0008 |
Backspace |
\ n |
\u000a |
Line break |
\ r |
\u000d |
Carriage return (can be wrapped) |
\ t |
\u0009 |
Space character |
\" |
\u0022 |
Double quotes |
\‘ |
\u0027 |
Single quotation marks |
\\ |
\u005c |
Reverse Slash |
Line breaks have different forms under different systems:
Text file line break under \n:mac OS
Text file line break under \r:unix
Text file line break under \r\n:windows
Divide by Type:
1. Eight binary escape sequence: \ + 1 to 3 bit 5 digits; Range ' \000 ' ~ ' \377 '
: null character
2.Unicode Escape Character: \u + four hexadecimal digits; 0~65535
\u0000: null character
3. Special characters: 3
\ ": Double quotation marks
\ ': Single quote
\ \: Backslash
4. Control characters: 5
\ ' Single quote character
\ \ backslash Character
\ r Enter
\ nthe line break
\f Paper Change page
\ t transverse jump lattice
\b Backspace