Dialogic 4000 Series SU4.1 Instrukcja Użytkownika Pobierz pdf (Strona 103)

How Call Addresses Are Processed

Diva SIPcontrol uses the style of regular expressions used by Perl. Most tutorials and how-

to's covering Perl regular expressions can apply to Diva SIPcontrol.

Common Expressions:

Character

Meaning

Matches any character

Matches the beginning of an address

Matches the end of an address

Matches the plus sign ("+")

Matches any number of occurrences of the previous character

{n}

Matches the previous character exactly n times

{n,m}

Matches the previous character between n and m times, both

inclusive

( )

Marks a sub-condition to be referenced in result string and also

groups sets of characters

Alternate operator, matches either the left or right sub-condition

[ ]

Matches any character given within the square brackets, i.e [123]

matches either 1, 2, or 3, but not 4, 5, or 123.

(?i)

Considers case for everything after the tag.

For example "username@(?i) hosthame.tld" matches

"username$HOSTNAME.TLD" and "username@hostname.TLD", but

not "USERNAME@hostname.tld".

Common Results

Character

Meaning

0-9,+

Inserts the respective character into the output

(?n(digits))

Inserts the digits given only if the n

sub-condition of the condition

matched

Outputs what matched the whole condition

1 2 ... 98 99 100 101 102 103 104 105 106 107 108 ... 225 226

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Dialogic 4000 Series SU4.1 Instrukcja Użytkownika Strona 103