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function chkemail(a) { if (a.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1
FILTER:progid:DXImageTransform.Microsoft.Gradient使用 語法: filter:progid:DXImageTransform.Microsoft.Gradient(enabled=bE