$(‘#memberCodeEq’).unbind(‘keyup’)
$(‘#memberCodeEq’).on(‘keyup’,function(){if($(this).val().length==12)$(this).val($(this).val().replace(/^(\d{3})(\d{3})(\d{3})(\d{3})/,’$1 $2 $3 $4′))});
//失去焦点又回去
$(‘#memberCodeEq’).on(‘blur’,function(){$(this).val($(this).val().replace(/\s+/g,”))})
//3个字就变
$(‘#memberCodeEq’).on(‘keyup’,function(){$(this).val($(this).val().replace(/(\d{3})([^\s])/g,’$1 $2′));console.log(1)})