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lookaround to cut trailing digits out of a phone number

If you have a sip:+15558675309123@foo.bar number and you need to cut out some digits out of the +15558675309123 once you've parsed it out regex lookaround can be your best friend.

Try using ^(\+.*)(?=...$) in your parser and you will instantly find your needed results of +15558675309 are available.

email: Josh Fuller | tag: /technology/telecommunications/voip/regex | permanent link | Share on Facebook