The argument to this method is the email address you want to validate. Means that the email address must begin with alpha-numeric characters both lowercase and uppercase characters are allowed. It may have periods,underscores and hyphens. This is to separate domain and subdomain names. Finally, the email address must end with two to four alphabets. Having a-z and A-Z means that both lowercase and uppercase letters are allowed.
This will allow domain names with 2, 3 and 4 characters e. On the final line we call test method for our regular expression and pass the email address as input. We return this value to the calling method.
Hey, nice useful piece of code. Always nice to find something that takes a fairly common task, such as email validation, and breaks down the logic and provides a simple piece of code in the end. Not only did so many people read […]. Previously we talked about validating email and Social Security number using JS […]. Previously we talked about validating emailSocial Security number and zip code using JS […].
Hiemail validation code present in this site is very nice and it is very useful to validate email address using regular expressions.
My sincere thanks to the programmer who posted this. This help me alot. But when click back button on browser it goes to back page. How to avoid this. I request you body can solve this problem. There is a small error in the regexp: Hi, Thank you very much for this article. It helps me for achieving my form. In addition, your explanation is clear and light. I am studing at uni and we covered regular expressions on our Unix system programing course.
I see the usefulness of regular expressions now! Validate email address using regular expressions, nice piece of work. Very simple and clean. Thanks for the code. Helps me a lot. I too found that this regex has some flaws.
In the above test. Thanks and congratulations to Zaheer for this article: It is very well written and it is easy to read. Thanks also to the rest of people who contributed to enhance this code. I would like to share with you the following regex that I tried with all samples shown before and some more, of course.
I think it is worth a try:. Anyway let it help the users who view this forum. I was just wondering. Nevertheless some regexp allow combinations like test test example. The fix is pretty stratightford and easy; just replace the regular expression in Mailpress with the working one I cribbed from Zaheer. Now i really got the meaning of this regular expression.
Untill now i was not known about the real meaning of this.
This is nice and i thank you for the writter. This helped me again as i forgot the regular expression and retrieved it from your site. You have no idea how many websites I have gone through to find a simple explanation of this code so I may remake it without always copy-pasting just to get the job done. You have helped a lot, thanks again. I noticed that you do not allow for domains such as co.
Pnina, the code will work fine on co. This just returns the value of the email you pass it?
How is this of any use? The right syntax is: You can call the function in this way: Thanks for the script!
I made a minor modification to it: So this checks to see that the domain starts with alphanumeric characters. The credit however goes to Meserias!
This modification corrects this problem:. So far I have added code to validate required text fields and a drop down menu and have all the error messages come up in the one alert box. Now I am having trouble figuring out how to add the code to validate an email and have the error message appear in the same alert box as they are other fields are being validated. I hope I am making sense!!
If anyone is able to help this is my code! Please ignore all the comments!
With possibility of download this book. And when I want delete this PDf from the sit this PDf also delete from the folder and its path from the mysql. Hi I need a code. I have ONE text box. When i am filling the text box,First letter should be alphanumeric and last 4 should be numbers. Give me replay ASAP.
Thanks everyone for your contributions. Does the trick for me! How could I amend the following code to allow a space at the end? I am Glad that i have landed to this email. I have a new requirement for validating email for a new format, can anyone tell me how to by pass.
Valid email-id for all different kinds of email-ids e. Pity that this does not take account with emails like initials. As has been stated, medical insurance is a thing that could be a very serious matter. The majority off people invest in companies that provide cheap insurance quotes.