Regular expression for validating domain name sophos not updating windows xp
Regards, Abhishek when we are u using that time it working fine but that is not only web site ulr format for example ( .com, , , in ) like this lot of format is there .please post answer like all url validation supported ..
I have applied this in one of my projects and its working there. ([a-z A-Z0-9] (\.[a-z A-Z0-9] ) .*)$ Let me know if you face any problem.
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Visit Stack Exchange I need to validate whether my regex is correct for below scenario.
This chapter contains recipes for validating and formatting common types of user input.
or, see this url This should work for most regex processors:/((? Followed by at least one or more valid domain characters (a-z, 0-9, or -)Matches without case sensitivity (/i)It does not enforce white space, so it will match this: blah and return you want to enforce space, add \s to the beginning, but then you have to ensure that you add a space to the beginning of the string to match. They can be replaced with matching groups () if your regex processor has trouble. It's not terribly strict, but it matches all standard domain names (but might let slip through some invalid ones).
That is, the domain must contain at least two levels, such as If you thought something as conceptually simple as validating an email address would have a simple one-size-fits-all regex solution, you’re quite wrong.
This recipe is a prime example that before you can start writing a regular expression, you have to decide is valid according to RFC 2822, which defines the syntax for email addresses.
Keep it simple, and don't mark some e-mail addresses that are actually valid as invalid.
As @Simon pointed out, your regular expression might consider some valid addresses as invalid.