Validate user IP address using javascript

1. Read user IP address. var ip = '<!--#echo var="REMOTE_ADDR"-->' 2. Enter list of allowed ips var allowed_ips = ["11.11.11.11","22.22.22.22"] 3. Create a regular expression string. var handleips = allowed_ips.join("|") handleips = new RegExp(handleips, "i") 4. Check condition whether user IP address is in allowed list if (ip.search(handleips)!=-1)     alert("done") else     alert("Unauthorized access");

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