use 2 Regular expressions in single text box in asp.net [closed] - javascript

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I create a single text box.And validating a following e-mail id's using a Regular expressions
ex
hai#gmail.com
hai#gmail.co.in
my text box allow both e-mail types.
using client side in asp.net


You can use this regex with a RegularExpressionValidator:
\w+([-+.]\w+)*#\w+([-.]\w+)*\.\w+([-.]\w+)*
Tested with:
var emailRegex = new Regex(#"\w+([-+.]\w+)*#\w+([-.]\w+)*\.\w+([-.]\w+)*", RegexOptions.IgnoreCase);
bool isValidEmail = emailRegex.IsMatch("hai#gmail.com"); // true
isValidEmail = emailRegex.IsMatch("hai#gmail.co.in"); // true

Related

Javascript ignore html tag and add space to the string after every 2 characters [closed]

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I have a string with HTML in between. What I want to achieve is add a space in between after every 2nd character.
For example for input like below -
'<span>234567</span><span>34526754</span>'
'<span>23 45 67</span><span>34 52 67 54</span>'
How can I achieve this in JavaScript?

let str = '<span>234567</span><span>34526754</span>'
str.match(/(?<=\<span>).*?(?=<\/span>)/g).forEach(s=>{
str = str.replace(s, s.match(/.{2}/g).join(' '))
})
console.log(str)

Good RegExp for iran phone number [closed]

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I need a good and best RegExp for validate Iranian phone number like this:
0903*******
0918*******
in this RegExp should check the user should just start phone number with 0 not other things like area code (+98)

try it:
("^[0][9][0-9][0-9]{8,8}$")
Using case in js:
const IsValidPhone = (val) => {
let regex = new RegExp("^[0][9][0-9][0-9]{8,8}$").test(val);
return regex;
};

You can use this regex:
/^(09)[0-9]{9,9}$/gu

regex find string between two strings [closed]

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How can i find a string between two strings with regex for example i want find example.com in string https://example.com/path OR http://example.com/path
var str = "https://example.com/path";
str.match(/(?!http:\/\/|https:\/\/)(.*)(?!\/)/g);

Why not use URL
const url = new URL("https://example.com/path");
console.log(url.hostname)

you want to know if the string contains it ?
console.log(!!('https://example.com/path'.match(/example\.com/)))
Also, check this :
https://www.w3schools.com/jsref/jsref_includes.asp
might be useful for you

Regex url parameters [closed]

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I don't no how regex works. but I have a url like:
http://localhost/BetaLeren/public/dashboard/general/video.php?video=13&time=19
but I want it that way:
http://localhost/BetaLeren/public/dashboard/general/video.php?video=13
How I can i do that with refex?
or is there a better way?

If you'll always have video= followed by time=, you could use the following regex:
const link = 'http://localhost/BetaLeren/public/dashboard/general/video.php?video=13&time=19';
const updatedLink = link.match(/^.+video=\d+/)[0];
console.log(updatedLink);
^ represents the beginning of the string.
.+ represents any character 1 or more times.
\d+ represents any digit 1 or more times.

how to set company name should start with character javascript validation rule? it can contain Numbers and special characters followed by character [closed]

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i want to set validation rule for company names which should start with character and it can contain numbers and special characters..
For example:
360 Angel - should not be allowed
Angel 360 - Allowed

Javascript regular expressions should help
Documentation:
http://www.javascriptkit.com/javatutors/redev3.shtml
Simple example:
var str = "360 Angel";
/^[a-zA-Z].*/.test(str); // return false

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