Regular expression for validating phone number

I've found plenty, but it turns out that most of them appear on the surface to be fine, but in reality they don't actually work, like this one: As you can see, this phone validation routine is no good.

So, I decided to come up with my own expression that could, as best as possible handle phone number in Australian format, firstly, but in formats from international numbers wherever possible too.

Text = "Not Valid phone number" End If End Sub Stopwatch Tutorial - Visual Basic . E.g (308)-135-7895 or 308-135-7895 or 308135-7895 or 3081357895.On the final line we call test method for our regular expression and pass the phone number as input.DOTALL is a flag in most recent regex libraries that makes the . There is no 100% reliable solution since the RFC is way too complex. ] )*@([a-z0-9_][-a-z0-9_]*(\.[-a-z0-9_] )*\.(aero|arpa|biz|com|coop|edu|gov|info|int|mil|museum|name|net|org|pro|travel|mobi|[a-z][a-z])|([0-9]\.[0-9]\.[0-9]\.[0-9]))(:[0-9])? $ This will make sure that every number in the IP address is between 0 and 255, unlike the version using \d which would allow for 999.999.999.999.metacharacter match anything INCLUDING line breaks. Java Script by default does not support this since the . This is the best solution and should work 99% of the time is. If you want to match an IP within a string, get rid of the leading ^ and trailing $ to use \b (word boundaries) instead. The regular expression is only useful to validate the format of the date as entered by a user.If the input phone number satisfies our regular expression, ‘test’ will return true otherwise it will return false.

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