How to escape Backslash in Javascript object literal

Question

I know question is asked many times, i gone through with all the questions. but none of them is helping my situation. I have a object literal, for one of the property i assign some string which has backslash charecter, but while reading the property the backslash is getting truncated.

I want to use this object literal in JSON.Stringify method. as per JSON, backslash are not allowed. we need to escape it. is there any way ?

i cant modify the data to add an extra backslash, because data is coming from the server. 'localhost\sqlserver'. after that i need to replace it.

Object literal

var data={
    s:'localhost\sqlserver'
}


function replaceToUpper(value) { 
    return   value.replace(/\\n/g, "\\n") 
                                      .replace(/\\'/g, "\\'") 
                                      .replace(/\\&/g, "\\&") 
                                      .replace(/\\r/g, "\\r") 
                                      .replace(/\\t/g, "\\t") 
                                      .replace(/\\b/g, "\\b") 
                                      .replace(/\\f/g, "\\f"); 
}

//reading the data

alert(replaceToUpper(data.s));

attempt 2 :

var values =JSON.stringify(data); // here that backslash getting trucunated

what do i missing here. check the fiddle Object Literal with Backslash

i cant modify the data to add an extra backslash, because data is coming from the server. 'localhost\sqlserver'. after that i need to replace it. I know adding extra blackslash would help me. but i cant modify the data.

i just concentrating the backslash escaping. i don't know why it's not working — Ravi Gadag
– Ravi Gadag, Commented Nov 26, 2013 at 2:43
This question appears to be off-topic because i have changed the data layer such that it escapes the data. as question does not help any other people. pls close it — Ravi Gadag
– Ravi Gadag, Commented Jan 22, 2014 at 4:28

solos · Accepted Answer · 2013-11-26 02:46:49Z

2

use \\ to escape \

var data = { s: 'localhost\\sqlserver'}

JSON.parse(JSON.stringify(data))

answered Nov 26, 2013 at 2:46

solos

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Arun P Johny · Accepted Answer · 2013-11-26 02:44:11Z

1

it is a string literal where \ is an escape character so if you want to use a \ as it is then you need to escape it with another \ like \\

'localhost\\sqlserver'

Demo: Fiddle

answered Nov 26, 2013 at 2:44

Arun P Johny

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2 Comments

Ravi Gadag Over a year ago

i cant modify the data, data is coming from the server. 'localhost\sqlserver'. after that i need to replace it. I know this by adding extra backslash. i want to replace it from javascript. not by manually

Arun P Johny Over a year ago

@Ravi then I don't think you can do much as the string will escape `... try to type 'localhost\sqlserver'` in the browser console the `` is already escaped

Роман Зыков · Accepted Answer · 2020-10-26 12:58:43Z

1

before save JSON as string into db or somethis use REGEX

JSON.stringify(drivers).replace(/"/g, '\\"')

answered Oct 26, 2020 at 12:58

Роман Зыков

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