Replace '\' with '\\'

[Cindy Sim]

I need to replace '\' with '\\'. How can we do it? Currently I am using :

replace("\", "\\"));

[Mark Roethof]

Hi there,

Where do you want to apply this?

[Cindy Sim]

I am using it in json payload

[Mark Roethof]

Where?

[Cindy Sim]

"{\"firstName\":\"John\",\"lastName\":\"Doe\",
\"executiveSummary\":\"Below, you will find a proposal, etc. etc.\",
\"products\":[{\"name\":\"test product\",\"quantity\":5,\"price\":10,\"total\":50},
{\"name\":\"Creatice Name\",\"quantity\":10,\"price\":20,\"total\":200}]}",
}