This regular expression, I claim, matches any email address. Most of the feedback I get refutes that claim by showing one email address that this regex doesn't match. Usually, the "bug" report also includes a suggestion to make the regex "perfect". As I explain below, my claim only holds true when one accepts my definition of what a valid email address really is, and what it's not.
I don't want to see extra space in my output. Isn't HTML good enough? HTML is probably the most successful document markup language in the world. The opinion at the workshop was a clear 'Yes': We could also take advantage of the redesign to clean up some of the more untidy parts of HTML, and add some new needed functionality, like better forms.
Why are browsers so fussy about XML? They were more accepting with HTML. HTML browsers accept any input, correct or incorrect, and try to make something sensible of it.
This error-correction makes browsers very hard to write, especially if all browsers are expected to do the same thing. It has also meant that huge numbers of HTML documents are incorrect, because since they display OK in the browser, the author isn't aware of the errors.
This makes it incredibly difficult to write new web user agents since documents claiming to be HTML are often so poor. It displays all right on my browser. All browsers know how to deal with correct HTML. However, if it is incorrect, the browser has to repair the document, and since not all browsers repair documents in the same way, this introduces differences, so that your document may look and work differently on different browsers.
Since there are hundreds of different browsers, and more coming all the time not only on PCs, but also on PDAs, mobile phones, televisions, printers, even refrigeratorsit is impossible to test your document on every browser. If you use incorrect HTML and your document doesn't work on a particular browser, it is your fault; if you use correct HTML and it doesn't work, it is a bug in the browser.
Where can I go to verify my document uses correct markup? W3C offers a service at http: Why do you say "user agent" everywhere, instead of "browser"? Search engines for instance read documents, but are not browsers. By using the term "user agent" we are trying to remind people of the difference.
For example, when you do a Google search often you will see under some of the search results something like "This web page uses frames, but your browser doesn't support them.To comment on this document, or to send suggestions for questions, please email [email protected], including the word FAQ in the subject.
If your document is just pure XHTML (not including other markup languages) then you will not yet notice much . Explore molecule shapes by building molecules in 3D! How does molecule shape change with different numbers of bonds and electron pairs?
Find out by adding single, double or triple bonds and lone pairs to the central atom. Then, compare the model to real molecules!
Regexes Don’t Send Email. Don't go overboard in trying to eliminate invalid email addresses with your regular expression. The reason is that you don't really know whether an address is valid until you try to send an email to it.
Pressing the above link will open a new mail window: How to add spaces in the mail's subject or body You can add spaces by writing %20 in the text of the subject or body.
Edit Article How to Write a Press Release. In this Article: Article Summary Sample Press Releases Making it Pop Mastering the Format Community Q&A Start a press release with an attention-grabbing headline in bold font. Begin the body copy with the date and city that the release is from.
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