I have Json Array data as shown below:
{
"AccountNumber":[
"123456789012",
"234567891012",
"345678912012"
]
}
Now I want to mask the middle 4 digit number only. as shown below:
{
"AccountNumber":[
"1234xxxx9012",
"2345xxxx1012",
"3456xxxx2012"
]
}
Can anyone help how to mask multiple json array data using javascript.
Since you say your working with JSON, the answer is as follows:
var json = '{"AccountNumber":["123456789012","234567891012","345678912012"]}'; var result = json.replace(/(\\d{4})(\\d{4})(\\d+)/g, '$1xxxx$3'); // this will be the JSON with the masked values console.log(result); // now you can parse the JSON and get some useful result console.log(JSON.parse(result));
However, it may be more useful to work with data parsed from JSON
var json = '{"AccountNumber":["123456789012","234567891012","345678912012"]}'; var data = JSON.parse(json); data.AccountNumber.forEach((v, i, a) => a[i] = `${v.substr(0, 4)}xxxx${v.substr(8)}` ); console.log(data);
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