HTML string as a JSON output using C#

Question

HTML string as a JSON output using C#.

I want to replace every instance of ", that is between HTML wrapper < and > with ', while converting to JSON. At the same time if it has text with " quote then it should not be replaced with the ' quote. E.g. "since the 1500s"

Code - Which is replacing all " to ' quotes

public string Content
{
    get
    {
       return _content;
    }
    set
    {
       if (value != null)
       {
           this._content = this._content.Replace("\"", "'");     
       }
     }
}

I am getting string in this form, from my View.

E.g.  model.Content = "<p> Lorem Ipsum is simply dummy text of the printing <span id= "#" ids= "#" display= "inline" ></ span > and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever "since the 1500s".<br></p>";

I am using JsonConvert.SerializeObject

string output = JsonConvert.SerializeObject(model, Formatting.Indented, new JsonSerializerSettings { ContractResolver = new CamelCasePropertyNamesContractResolver() });

Expected string - All double quotes in the HTML tags should be converted into single quote but the text quotes should be as it is using C#

 "content": "<p><b>Lorem Ipsum</b> is simply dummy <i>text </i>of the printing&nbsp;<span id='#' ids='#' display='inline'></span> and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever \"since the 1500s\".</p>",

Can you provide more information, please. Why should double quotes become single quotes, for example? How are you converting it to JSON, etc? — ProgrammingLlama
– ProgrammingLlama, Commented Dec 28, 2017 at 6:19
Are you using JSON.NET or JavaScriptSerializer or any other Serializer? — Sagar
– Sagar, Commented Dec 28, 2017 at 6:37
@Jack it would be useful to update your question with the code, otherwise that is just a mess. ps also try to put some effort into formatting it — TheGeneral
– TheGeneral, Commented Dec 28, 2017 at 7:49

imanshu15 · Accepted Answer · 2017-12-28 08:33:53Z

1

I think you want to replace every instance of ", that is between a < and a > with '.

So, you look for each " in your string, look behind for a <, and ahead for a >. The regex looks like:

(?<=\<[^<>]*)"(?=[^><]*\>)

So you could use

outputString = Regex.Replace(inputString, "(?<=\\<[^<>]*)\"(?=[^><]*\\>)", "'");

And then you want escape other " in your string. For that you could use

outputString = outputString.Replace(@"""", @"\""");

OR

outputString = outputString.Replace("\"", "\\\"");

I create a console application to test this ,

 Console.WriteLine("Enter The String : ");
 string input = Console.ReadLine();          
 string pattern = "(?<=\\<[^<>]*)\"(?=[^><]*\\>)";
 string output = Regex.Replace(input, pattern, "'");
 output = output.Replace(@"""", @"\""");
 Console.WriteLine(output);
 Console.ReadKey();

Input string is the string you provided and then the output will be,

<p> Lorem Ipsum is simply dummy text of the printing <span id= '#' ids= '#' display= 'inline' ></ span > and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever \"since the 1500s\".<br></p>

edited Dec 28, 2017 at 8:33

answered Dec 28, 2017 at 6:45

imanshu15

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2 Comments

Matt Over a year ago

Yes you are right, but this expression is not working

imanshu15 Over a year ago

I updated the answer with a example console app. Check that

Subash Kharel · Accepted Answer · 2017-12-28 06:40:37Z

0

Better replace all double(") by (\"). This way you can store the double quote as a part of string. Foe example :

string storeValue = "Subash \"Kharel\"";

answered Dec 28, 2017 at 6:40

Subash Kharel

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