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#1 Created at ... [Delete] [Delete and Lock User]

var re = /^\w+.?\w+@\w+.{1}\w+$/;

#2 Created at ... [Delete] [Delete and Lock User]

var re = /^\w+\.?\w+@\w+\.{1}\w+$/;

#3 Created at ... [Delete] [Delete and Lock User]

var re = /^<(\w+\s*\w+)>\s+(\w+@\w+\.{1}\w+)$/;