Remove non-ascii character in string

var str="INFO] :谷���新道, ひば���ヶ丘２丁���, ひばりヶ���, 東久留米市 (Higashikurume)";

and i need to remove all non-ascii character from string,

means str only contain "INFO] (Higashikurume)";

############ answer ############

ASCII is in range of 0 to 127, so:

str.replace(/[^\x00-\x7F]/g, "");

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