phone number Extracting from HTML Using regex

Question

I want to extract a phone number from HTML using regex. I am using this regex

\d{4}\s\d{3}\s\d{3}

for phone number 1234 546 567. This regex successfully extracts the given phone number from HTML.

But a problem occurs when there is another number (which I don't want to extract) like this: 1234 567 89023. Now from this number it is also extracting 1234 567 890 but I don't want it to extract anything from that number.

Then I changed the regex to

^\d{4}\s\d{3}\s\d{3}$

but now it is not even extracting any valid numbers.

What should I do? Edited:

string MatchAusPhoneNumber = @"\D(\d{4}\s\d{3}\s\d{3})\D";
MatchCollection mathph2 = Regex.Matches(chk, MatchAusPhoneNumber);

foreach (Match matchio in mathph2)
{
    foreach (Capture capture in matchio.Captures)
    {
        if (my.ContainsKey(capture.Value) == false)
        {
            my.Add(capture.Value, capture.Value);
            mylist.Add(capture.Value);
        }
    }
}

tckmn · Accepted Answer · 2013-06-28T13:05:37.463

2

Edit: I just reread your question and it sounds like you want to extract groups of 4-3-3 digits from HTML. If this is the case, try a regex like this:

\D(\d{4}\s\d{3}\s\d{3})\D

\D will match everything except a digit. The () is to capture the actual phone number in the first capture group.

Old Answer: If you want for the last group of digits to be 3 to 5 characters, try this:

\d{4}\s\d{3}\s\d{3,5}

\d{3,5} means there can be 3 to 5 \ds.

edited Jun 28 '13 at 13:05

answered Jun 28 '13 at 12:53

tckmn

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OP doesn't want `1234 567 89023` to match! – Ahmed KRAIEM Jun 28 '13 at 13:02
1

@AhmedKRAIEM Yes he does. "Then I changed the regex to ... but now it is not extracting any number." That implies that he *wants* it to extract the number. – tckmn Jun 28 '13 at 13:03
It sounds like @Nomi wants to match numbers inside text, in which case the `^` and `$` aren't necessary (otherwise this won't match the first case). – Yossarian Jun 28 '13 at 13:04
i want only numbers (phonenumber) – Nomi Jun 28 '13 at 13:08
@Nomi Oh, ok. I thought you wanted to match 5 digits also. I have edited my answer. – tckmn Jun 28 '13 at 13:09
@Nomi Why did you unaccept? Does it work? – tckmn Jun 28 '13 at 13:15
@Doorknob now out put changed to 0415 292 549 – Nomi Jun 28 '13 at 13:16
@Nomi Did you make sure to use the first capture group instead of the entire match? – tckmn Jun 28 '13 at 13:16
now it is extracting this "<" – Nomi Jun 28 '13 at 13:17
@Nomi Well, did you use the capture group? Could you show me your current code? – tckmn Jun 28 '13 at 13:21
yes i edit my code check it plz – Nomi Jun 28 '13 at 13:27
@Doorknob check it i mentioned my code above – Nomi Jun 28 '13 at 13:28
@Nomi What language is that? Java, PHP, or ASP.NET? Why did you tag your question with *all* of these? Also, please don't leave two of the same comment. – tckmn Jun 28 '13 at 13:30
I used C# i mentioned all languages because regular exprasion are same in all langueges. – Nomi Jun 28 '13 at 13:32
@Nomi Actually regexes can have differences between languages. I tested it in Java and it worked. I can't help you because I don't know C#, so you might want to ask another question about why the capture group isn't being extracted. – tckmn Jun 28 '13 at 13:35

phone number Extracting from HTML Using regex

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