Comments on: Ultimate Java Regular Expression to validate any email address. http://www.zparacha.com/ultimate-java-regular-expression-to-validate-email-address/ Effective programming and blogging tips by Zaheer Paracha Sat, 11 Feb 2012 03:00:48 +0000 hourly 1 http://wordpress.org/?v=3.2.1 By: Moe http://www.zparacha.com/ultimate-java-regular-expression-to-validate-email-address/comment-page-1/#comment-1874 Moe Fri, 23 Dec 2011 11:54:12 +0000 http://www.zparacha.com/?p=346#comment-1874 String EMAIL_PATTERN = "^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@([A-Za-z0-9-])+(\\.[a-z,A-Z]{2,})$"; String EMAIL_PATTERN = “^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@([A-Za-z0-9-])+(\\.[a-z,A-Z]{2,})$”;

]]> By: Moe http://www.zparacha.com/ultimate-java-regular-expression-to-validate-email-address/comment-page-1/#comment-1873 Moe Fri, 23 Dec 2011 11:45:53 +0000 http://www.zparacha.com/?p=346#comment-1873 Ultimate my ass. How can you enforce upper case letters for the domain part at the end ? ([\\w\\-]+\\.)+[A-Z]{2,4}$ Most of the commenters here are wrong as well. Ultimate my ass. How can you enforce upper case letters for the domain part at the end ? ([\\w\\-]+\\.)+[A-Z]{2,4}$

Most of the commenters here are wrong as well.

]]> By: ryouji_shiki http://www.zparacha.com/ultimate-java-regular-expression-to-validate-email-address/comment-page-1/#comment-1849 ryouji_shiki Wed, 14 Dec 2011 22:54:12 +0000 http://www.zparacha.com/?p=346#comment-1849 From the Struts 2 email validator: ^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@([A-Za-z0-9-])+((\\.com)|(\\.net)|(\\.org)|(\\.info)|(\\.edu)|(\\.mil)|(\\.gov)|(\\.biz)|(\\.ws)|(\\.us)|(\\.tv)|(\\.cc)|(\\.aero)|(\\.arpa)|(\\.coop)|(\\.int)|(\\.jobs)|(\\.museum)|(\\.name)|(\\.pro)|(\\.travel)|(\\.nato)|(\\..{2,3})|(\\..{2,3}\\..{2,3}))$ From the Struts 2 email validator:

^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@([A-Za-z0-9-])+((\\.com)|(\\.net)|(\\.org)|(\\.info)|(\\.edu)|(\\.mil)|(\\.gov)|(\\.biz)|(\\.ws)|(\\.us)|(\\.tv)|(\\.cc)|(\\.aero)|(\\.arpa)|(\\.coop)|(\\.int)|(\\.jobs)|(\\.museum)|(\\.name)|(\\.pro)|(\\.travel)|(\\.nato)|(\\..{2,3})|(\\..{2,3}\\..{2,3}))$

]]> By: Seth Kaufmann http://www.zparacha.com/ultimate-java-regular-expression-to-validate-email-address/comment-page-1/#comment-1831 Seth Kaufmann Thu, 08 Dec 2011 20:15:52 +0000 http://www.zparacha.com/?p=346#comment-1831 The reason this doesn’t allow any email addresses because it’s looking for CAPITAL LETTERS on the domain name. CURRENT : ^[\\w\\-]([\\.\\w])+[\\w]+@([\\w\\-]+\\.)+[A-Z]{2,4}$”; SHOULD BE: ^[\\w\\-]([\\.\\w])+[\\w]+@([\\w\\-]+\\.)+[A-Za-z]{2,4}$”; OR SHOULD BE: ^[\\w\\-]([\\.\\w])+[\\w]+@([\\w\\-]+\\.)+[a-z]{2,4}$”; The reason this doesn’t allow any email addresses because it’s looking for CAPITAL LETTERS on the domain name.

CURRENT : ^[\\w\\-]([\\.\\w])+[\\w]+@([\\w\\-]+\\.)+[A-Z]{2,4}$”;

SHOULD BE: ^[\\w\\-]([\\.\\w])+[\\w]+@([\\w\\-]+\\.)+[A-Za-z]{2,4}$”;
OR
SHOULD BE: ^[\\w\\-]([\\.\\w])+[\\w]+@([\\w\\-]+\\.)+[a-z]{2,4}$”;

]]> By: Seth http://www.zparacha.com/ultimate-java-regular-expression-to-validate-email-address/comment-page-1/#comment-1830 Seth Thu, 08 Dec 2011 20:15:26 +0000 http://www.zparacha.com/?p=346#comment-1830 The reason this doesn't allow any email addresses because it's looking for CAPITAL LETTERS on the domain name. CURRENT : ^[\\w\\-]([\\.\\w])+[\\w]+@([\\w\\-]+\\.)+[A-Z]{2,4}$"; SHOULD BE: ^[\\w\\-]([\\.\\w])+[\\w]+@([\\w\\-]+\\.)+[A-Za-z]{2,4}$"; OR SHOULD BE: ^[\\w\\-]([\\.\\w])+[\\w]+@([\\w\\-]+\\.)+[a-z]{2,4}$"; The reason this doesn’t allow any email addresses because it’s looking for CAPITAL LETTERS on the domain name.

CURRENT : ^[\\w\\-]([\\.\\w])+[\\w]+@([\\w\\-]+\\.)+[A-Z]{2,4}$”;

SHOULD BE: ^[\\w\\-]([\\.\\w])+[\\w]+@([\\w\\-]+\\.)+[A-Za-z]{2,4}$”;
OR
SHOULD BE: ^[\\w\\-]([\\.\\w])+[\\w]+@([\\w\\-]+\\.)+[a-z]{2,4}$”;

]]> By: schön http://www.zparacha.com/ultimate-java-regular-expression-to-validate-email-address/comment-page-1/#comment-1822 schön Mon, 05 Dec 2011 15:03:25 +0000 http://www.zparacha.com/?p=346#comment-1822 schön@grün.de fails - \w doesn't match "umlaute" in java.. schön@grün.de fails – \w doesn’t match “umlaute” in java..

]]> By: naman http://www.zparacha.com/ultimate-java-regular-expression-to-validate-email-address/comment-page-1/#comment-1811 naman Fri, 02 Dec 2011 09:43:03 +0000 http://www.zparacha.com/?p=346#comment-1811 exactly what I'm looking for. exactly what I’m looking for.

]]> By: User http://www.zparacha.com/ultimate-java-regular-expression-to-validate-email-address/comment-page-1/#comment-1735 User Tue, 01 Nov 2011 13:10:43 +0000 http://www.zparacha.com/?p=346#comment-1735 how to validate email address like gmail@gmail.com i.e it doesnot allow how to validate email address like gmail@gmail.com i.e it doesnot allow

]]> By: Brad http://www.zparacha.com/ultimate-java-regular-expression-to-validate-email-address/comment-page-1/#comment-1705 Brad Thu, 06 Oct 2011 23:23:47 +0000 http://www.zparacha.com/?p=346#comment-1705 The first example in this post fails with the example some+email@gmail.com The first example in this post fails with the example

some+email@gmail.com

]]> By: mark http://www.zparacha.com/ultimate-java-regular-expression-to-validate-email-address/comment-page-1/#comment-1658 mark Wed, 07 Sep 2011 14:20:20 +0000 http://www.zparacha.com/?p=346#comment-1658 my.email@yahoo.com = fail Fell at the first hurdle my.email@yahoo.com = fail

Fell at the first hurdle

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