Regular Expression - Validate That An Email Address Cannot Contain Any White Space Character?

May 22, 2009

i am using the following regular expression for the validation of Email address /^.+@([?)[a-zA-Z0-9-.]+.([a-zA-Z]{2,3}|[0-9]{1,3})(]?)$/; but the problem is that if user enters any white space character while entering email address then email is considered as valid how ever we know that an email address can not contain any white space character i have tried a lot but could not get a correct regular expression

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Regular Expression Validate Email Address

Jul 23, 2005

/^[a-zA-Z0-9_-]+([.][a-zA-Z0-9_-]+)*@[a-zA-Z_-]+([.][a-zA-Z0-9_-]+)*$/

I'm using this to try to validate a small subset of the valid e-mail
addresses allowed by the relevant RFC (alphanumerics, underscores, and
dashes). I've tested it and it seems to work....

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I like eating very much.

How can I using regular expression to trim the spaces to single space?

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Jul 20, 2005

I need to check that the user as put in at least one character between a-z upper or lowercase in a name field. They can put in whatever they like but there as to be a character a-z in the string. How shall the test expression look like?

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Email Validation Through Regular Expression

Jun 23, 2005

I have got some problem when i check email through javascript. Currently, i have used this script:

/^[^@]+@[^@]+.[a-z]{2,}$/i

but through this expression it is unable to find that after "@" and before "." there's any string or not.

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JQuery :: Validating Email List Against Regular Expression?

Aug 12, 2009

I am stuck on this seemingly simple validation loop.I want to iterate through a list of comma separated emails entered in a textarea input and check their validity before submitting the form.For some reason even when I enter all valid emails every other email doesn't pass the validation test!

var okEmailArr = badEmailArr = new Array();
var emails = $('#emailList').val(); // Get email list from text are
input[code]....

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Mar 31, 2009

I'm trying to validate data in a textbox for township (usually written as 12N or 23S for Township 12 North or Township 23 South). In Utah the townships range from 01N to 15N, and 01S to 44S. The expression "/[0-9][0-4][ns]/i" will allow 01n (or s) through 94n (or s). If I change it to "/[0-4][0-4][ns]/i" to limit it to 44n (or s), I then am not allowing for 05, 06, 07, 08, and 09. I hope the above is not too confusing. I'm just starting to work with regular expressions.

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Aug 5, 2010

Does anyone know if it is possible to use your own regular expression for fields with the JQuery Validation plugin?I have previously used Live Validation (standalone) which allows you to do this kind of thing:var loginpass = new LiveValidation('loginpass');loginpass.add( Validate.Format, { pattern: /^[A-Za-zd]+$/i } );

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Oct 14, 2009

How can i validate string with alphanumeric, space, dash and dot in regular expression ?

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Oct 20, 2005

Does anyone know of a regualr expression to validate US and Canadian Postal
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I am new to regular expressions. The US 5 digit part is easy, but I get
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Jul 27, 2005

I need help to validate Australian zip/postal codes? Also need to know the format of the codes -- like Canadian postal codes are

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Dec 19, 2005

I need a regular expression to validate a string which consists of numbers, seprated by a period. For example: 123.456.7890.123 or

543245634.564362454.543543523.43532543

Basically, its a set of any amount of numbers, seperated by a period, ocurring any number of times. Now this is my first time dealving into regular expressions, and after reading some tutorials i came up with this:

/+((+d).)/

Would this evaluate correctly?

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Apr 16, 2011

Trying to make a 2 page application. First is an introduction page and second is the content. Ive put a pop up box in the head of the second page and it asks for email, but how do i make it so if the email is incorrect it will not go onto the second page? at present if i click the link for the second page the box pops up but that is it. I can document.write their response and it comes on the top of the second page, but i want it validated!

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Jul 23, 2005

I have the following regular expression to validate a date-time field
in European or d/m/y h:m:s format.

^((((31/(0?[13578]|1[02]))|((29|30)/(0?[1,3-9]|1[0-2])))/(1[6-9]|[2-9]d)?d{2})|(29/0?2/(((1[6-9]|[2-9]d)?(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))))|(0?[1-9]|1d|2[0-8])/((0?[1-9])|(1[0-2]))/((1[6-9]|[2-9]d)?d{2}))
(20|21|22|23|[0-1]?d):[0-5]?d:[0-5]?d$

I wish to ammend it so that the time or h:m:s part is validated only if
supplied (i.e. I wish to make the time part optional). At present if a
time is not supplied the validation fails. I gather that the following
part of the above expression

(20|21|22|23|[0-1]?d):[0-5]?d:[0-5]?d$

validates the time, however I don't know the syntax to make it
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I want input in format "A-xxxx-xxx". where 'x' is any alphanumeric character.

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I would like to validate the email address typed into the prompt message by the user, but to no avail.

function addOption()
{
var new = prompt("Enter New Item:");
if (!new == "")
{
var answer = confirm ("Are you sure you want to add? ")
[Code]..

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[Code]...

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I've built a simple script to validate the email address and password on a form, the email part of it is working, but the password isn't, any idea what I've done wrong here? Code:

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Oct 17, 2007

I need a regular expression that validate a list of numbers separated by "-" , numbers can not be greater than 999

Valid examples:

0
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1-9
125-32-155-45-45

Invalid examples
-1
45-
1-45665456-4
12-45-
-

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(xarray[i].replace(/s+/,'')

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