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External Data Source

Source

Regular Expression
^(\+?1(-|\.|\s)?)?((\(((8(00|22|33|44|55|66|77|[8[0-9]))|900)\)|((8(00|22|33|44|55|66|77|[8[0-9]))|900))(-|\.|\s)?\d{3}(-|\.|\s)?\d{4}|(\([2-9]([02-9]\d|1[02-9])\)|[2-9]([02-9]\d|1[02-9]))(-|\.|\s)?[2-9]([02-9]\d|1[02-9](-|\.|\s)?\d{4}))$