M4 Regexp Examples

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Regexp is used to allow/deny CallerID/Destinations for Origination Points, Termination Points and Dial Peers.

Regexp Explanation
.* everything
^[0-9]+$ only digits
^[0-9]{9,}$ only digits, number more than 8 digits (9, 10, 11...)
^[0-9]{0,9}$ only digits, number less than 9 digits (1, 2, 3, 4, 5, 6, 7, 8)
^\+?[0-9]+$ optional + sign and only digits
^370[0-9]+$ only digits starting with 370
^370.*$ anything starting with 370
^(37[0-1])|(44)[0-9]*$ only digits starting with 370 or 371 or 44




See also