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javascript - JS regex replace not working

I've got a JS string

var str = '<at id="11:12345678">@robot</at> ping'; 

I need to remove this part of a string

<at id="11:12345678">@

So I am trying to use

var str = str.replace("<at.+@","");

But there is no change after excution. Moreover if I try to use match it gives me

str.match("<at.+@");
//Result from Chrome console Repl
["<at id="11:12345678">@", index: 0, input: "<at id="11:12345678">@robot</at> ping"]

So pattern actualy works but replace do nothing

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Use // for regex. Replace "<at.+@" with /<at.+@/.

var str = '<at id="11:12345678">@robot</at> ping'; 

str = str.replace(/<at.+@/,"");

console.log(str);

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