(?(811|0-79))$|(?([2-9]9[0-9])|(37|96)[0-9])(?(5(00|2[1-9][0-9]33|44|55|66|77|88|99)))|(?(6(00|22)))|(?(700))|(?(710))|(?8(00|33|44|55|66|77|88))|(?(900))|(?([2-9][0-8][0-9]))-(?(555))-(?(01[0-9]{2}))|(?(1212|4334))|(?(0[2-9]){2}|[1-9][0-9]{2})|(?[2-9][0-9]{1})-(?[0-9]{3})$