The following code hides all webpages of a certain website and mocks the website.
let sites = ['mako.co.il', 'walla.co.il'];
for (let i = 0; i < sites.length; i++) {
if (window.location.href.indexOf(sites[i]) != -1 ) {
alert(` Enough with this ${sites[i]} garbage! `);
}
}
It displays domain.tld this way:
"Enough with this domain.tld garbage!".
How could I strip away the .tld, so the final outcome would be:
"Enough with this domain garbage!".
A /[domain]#.2,/ regex might unmatch tld's like .com or co.uk and only "domain" will appear on the alert, but I don't know how to implement such regex to the sites[i] in the confirm.
Do you know?
It depends how complex your strings can get, but a simple match for domains could be something as follows:
str.replace(/(\.[a-zA-Z]{1,3}){1,2}/, '')
This will work for most examples of "domain.com", "domain.co.uk", "domain.es". You might be able to find a better regex, but the idea would be the same.
Need to say, that it's a long and ugly way, but I want to show you, that it's possible without regex:
function splitDomain(str) {
var beforeDomain = str.split(" domain");
var afterDomain = beforeDomain[1].split(" ").splice(1, 1);
beforeDomain.splice(1, 1);
beforeDomain.push("domain")
afterDomain.forEach(function(item) {
beforeDomain.push(item);
})
var final = beforeDomain.join(" ")
console.log(final);
}
splitDomain("Enough with this domain.tld shit!");
splitDomain("Enough with this domain.co.uk shit!");
splitDomain("Enough with this domain.com shit!");
Related
Okay, to start with I should mention this is a very small personal project, and I've only have a handful of coding classes several years ago now. I can figure out a lot of the (very) basics, but have a hard time troubleshooting. I'm in a little bit over my head here, and need a dumbed down solution.
I'm trying to put together a VERY simple translator that takes in a word or sentence from the user via a text input box, puts each word of the string into an array, translates each word in order, then spits out each translated word in the order it was input. For example, typing "I like cats" would output "Ich mag Katze" in German.
I've got most of it, but I CAN'T get anything but the first array element to translate. It comes out like "Ich like cats".
I've used a loop, probably because I'm an amateur and don't know another way of doing this, and I'd rather not use any libraries or anything. This is a very small project I want to have a couple of friends utilize locally; and I know there has to be some very simple code that will just take a string, put it into an array, swap one word for another word, and then output the results, but I'm damned if I can make it work.
What I currently have is the closest I've gotten, but like I said, it doesn't work. I've jerry-rigged the loop and clearly that's the totally wrong approach, but I can't see the forest for the trees. If you can help me, please make it "Javascript for Babies" picture book levels of simple, I cannot stress enough how inexperienced I am. This is just supposed to be a fun little extra thing for my D&D group.
function checkForTranslation(input, outputDiv) {
var input = document.getElementById("inputTextField").value;
var outputDiv = document.getElementById("translationOutputDiv");
input = input.toLowerCase();
//puts user input into an array and then outputs it word by word
const myArray = input.split(" "); //added .split, thank you James, still otherwise broken
let output = "";
let translation = "";
for (let i = 0; i < myArray.length; i++) {
output += myArray[i]; //up to here, this works perfectly to put each word in the string into an array
//prints all words but doesnt translate the second onwards
translation += myArray[i];
if (output == "") {
//document.getElementById("print2").innerHTML = "Translation Here";
}
else if (output == "apple") {
translation = "x-ray";
}
else if (output == "banana") {
translation = "yak";
}
else {
translation = "???";
}
output += " "; //adds a space when displaying original user input
} // END FOR LOOP
document.getElementById("print").innerHTML = output; //this outputs the original user input to the screen
document.getElementById("print3").innerHTML = translation; //this should output the translated output to the screen
} // END FUNCTION CHECKFORTRANSLATION
What it looks like
P.S. I'm not worried about Best Practices here, this is supposed to be a quickie project that I can send to a couple friends and they can open the HTML doc, saved locally, in their browser when they want to mess around with it if they want their half-orc character to say "die by my hammer!" or something. If you have suggestions for making it neater great, but I'm not worried about a mess, no one is going to be reading this but me, and hopefully once it's fixed I'll never have to read it again either!
Since it is a manual simple translation, you should just create a "dictionary" and use it to get the translations.
var dictionary = {
"apple": "x-ray",
"banana": "yak"
}
function checkForTranslation() {
var input = document.getElementById("inputTextField").value.toLowerCase();
var words = input
.split(' ') // split string to words
.filter(function(word) { // remove empty words
return word.length > 0
});
var translatedWords = words.map(function(word) {
var wordTranslation = dictionary[word]; // get from dictionary
if (wordTranslation) {
return wordTranslation;
} else { // if word was not found in dictionary
return "???";
}
});
var translatedText = translatedWords.join(' ');
document.getElementById("translationOutputDiv").innerHTML = translatedText;
}
document.getElementById('translate').addEventListener('click', function() {
checkForTranslation();
});
<input type="text" id="inputTextField" />
<button id="translate">translate</button>
<br/>
<hr />
<div id="translationOutputDiv"></div>
Or if you want it a little more organized, you could use
const dictionary = {
"apple": "x-ray",
"banana": "yak"
}
function getTranslation(string) {
return string
.toLowerCase()
.split(' ')
.filter(word => word)
.map(word => dictionary[word] || '???')
.join(' ');
}
function translate(inputEl, outputEl) {
outputEl.innerHTML = getTranslation(inputEl.value);
}
document.querySelector('#translate').addEventListener('click', function() {
const input = document.querySelector('#inputTextField');
const output = document.querySelector('#translationOutputDiv');
translate(input, output);
});
<input type="text" id="inputTextField" />
<button id="translate">translate</button>
<br/>
<hr />
<div id="translationOutputDiv"></div>
I have an array of "banned domains", and I'm trying to find an easy way to check if a particular email is from one of those domains. Consider the following:
var bannedDoms = ["gmail.com", "hotmail.com", ".le.salesforce.com"]
if(bannedDoms.indexOf(email.split("#")[1]) === -1){
// It's a good domain!
}
This works fine, except for the last example, as the salesforce emails are from weird domains like emailtosalesforce#t-1l9sefi2sef5wlowk59bvm0uuh78mkdfuhioamfu7vxv8agjjh.o-h7zieac.na17.le.salesforce.com - the common factor being that they all have .le.salesforce.com in the address.
Searching via Array.prototype.indexOf() is quite an elegant solution and I'd like to use something similar if possible - but to also catch parts of strings, rather than a whole string match.
What's the most efficient and simple way to do this in Javascript?
I would go for a regex:
/gmail\.com|hotmail\.com|\le\.salesforce\.com/.test("emailtosalesforce#t-1l9sefi2sef5wlowk59bvm0uuh78mkdfuhioamfu7vxv8agjjh.o-h7zieac.na17.le.salesforce.com")
A fiddle is here
var bannedDoms = ["gmail.com", "hotmail.com", ".le.salesforce.com"];
r=new RegExp(bannedDoms.map(function(x){ return x.replace(/\./g,'\\.') }).join("|"));
Explanation:
You could simply build up a regular expression, taking each banned domain and combine them with or. The simplest form would be a|b, read a or b. In principle gmail.com or hotmail.com would become gmail.com|hotmail.com - with one exception: . is a special character in a regular expression meaning any character. To cirumvent this, we need to escape the dot to \..
r=new RegExp(bannedDoms.map(function(x){ return x.replace(/\./g,'\\.') }).join("|"));
Array.prototype.map() is a function, which applies a function onto each element of an array - returning the resulting array.
The map-part does nothing more than replacing every occuring . with an escaped version \..
Array.prototype.join() joins the resulting array-elements with a pipe = or.
Thanks #torazaburo
I think you will have to iterate and test the domains like
var bannedDoms = ["gmail.com", "hotmail.com", ".le.salesforce.com"];
function isBanned(email) {
var domain = email.split("#")[1];
var banned = bannedDoms.some(function(value) {
return domain.indexOf(value) > -1;
})
if (!banned) {
// It's a good domain!
}
snippet.log(email + ' : ' + banned);
}
isBanned('asdf#gmail.com');
isBanned('asdf#hotmail.com');
isBanned('asdf#.le.salesforce.com');
isBanned('asdf#abc.com');
isBanned('asdf#test.com');
<!-- Provides the `snippet` object, see http://meta.stackexchange.com/a/242144/134069 -->
<script src="http://tjcrowder.github.io/simple-snippets-console/snippet.js"></script>
Probably a good candidate for the endsWith simulation:
var bannedDoms = ["gmail.com", "hotmail.com", ".le.salesforce.com"];
var email1 = "emailtosalesforce#t-asd.o-h7zieac.na17.le.salesforce.com";
var email2 = "emailtosalesforce#t-asd.o-h7zieac.na17.le.salesforce.net";
console.log(bannedDoms.some(function (e) {
return email1.indexOf(e, email1.length - e.length) !== -1;
})); // true
console.log(bannedDoms.some(function (e) {
return email2.indexOf(e, email2.length - e.length) !== -1;
})); // false
I think you'd have to do a string indexOf, if you want to catch those.
So, You can try something like this..
var bannedDoms = ["gmail.com", "hotmail.com", ".le.salesforce.com"]
for(var i=0; i<bannedDoms.length; i++) {
if(email.indexOf(bannedDoms[i]) === -1){
// It's a good domain!
}
}
This question already has answers here:
Adding http:// to all links without a protocol
(4 answers)
Closed 8 years ago.
I would like to detect url's that are entered in a text input. I have the following code which prepends http:// to the beginning of what has been entered:
var input = $(this);
var val = input.val();
if (val && !val.match(/^http([s]?):\/\/.*/)) {
input.val('http://' + val);
}
How would I go about adapting this to only append the http:// if it contains a string followed by a tld? At the moment if I enter a string for example:
Hello. This is a test
the http:// will get appended to hello, even though it's not a url. Any help would be greatly appreciated.
This simple function works for me. We don't care about the real existence of a TLD domain to gain speed, rather we check the syntax like example.com.
Sorry, I've forgotten that VBA trim() is not intrinsic function in js, so:
// Removes leading whitespaces
function LTrim(value)
{
var re = /\s*((\S+\s*)*)/;
return value.replace(re, "$1");
}
// Removes ending whitespaces
function RTrim(value)
{
var re = /((\s*\S+)*)\s*/;
return value.replace(re, "$1");
}
// Removes leading and ending whitespaces
function trim(value)
{
return LTrim(RTrim(value));
}
function hasDomainTld(strAddress)
{
var strUrlNow = trim(strAddress);
if(strUrlNow.match(/[,\s]/))
{
return false;
}
var i, regex = new RegExp();
regex.compile("[A-Za-z0-9\-_]+\\.[A-Za-z0-9\-_]+$");
i = regex.test(strUrlNow);
regex = null;
return i;
}
So your code, $(this) is window object, so I pass the objInput through an argument, using classical js instead of jQuery:
function checkIt(objInput)
{
var val = objInput.value;
if(val.match(/http:/i)) {
return false;
}
else if (hasDomainTld(val)) {
objInput.value = 'http://' + val;
}
}
Please test yourself: http://jsfiddle.net/SDUkZ/8/
The best solution i have found is to use the following regex:
/\.[a-zA-Z]{2,3}/
This detects the . after the url, and characters for the extension with a limit of 2/3 characters.
Does this seem ok for basic validation? Please let me know if you see any problems that could arise.
I know that it will detect email address's but this wont matter in this instance.
You need to narrow down your requirements first as URL detection with regular expressions can be very tricky. These are just a few situations where your parser can fail:
IDNs (госуслуги.рф)
Punycode cases (xn--blah)
New TLD being registered (.amazon)
SEO-friendly URLs (domain.com/Everything you need to know about RegEx.aspx)
We recently faced a similar problem and what we ended up doing was a simple check whether the URL starts with either http://, https://, or ftp:// and prepending with http:// if it doesn't start with any of the mentioned schemes. Here's the implementation in TypeScript:
public static EnsureAbsoluteUri(uri: string): string {
var ret = uri || '', m = null, i = -1;
var validSchemes = ko.utils.arrayMap(['http', 'https', 'ftp'], (i) => { return i + '://' });
if (ret && ret.length) {
m = ret.match(/[a-z]+:\/\//gi);
/* Checking against a list of valid schemes and prepending with "http://" if check fails. */
if (m == null || !m.length || (i = $.inArray(m[0].toLowerCase(), validSchemes)) < 0 ||
(i >= 0 && ret.toLowerCase().indexOf(validSchemes[i]) != 0)) {
ret = 'http://' + ret;
}
}
return ret;
}
As you can see, we're not trying to be smart here as we can't predict every possible URL form. Furthermore, this method is usually executed against field values we know are meant to be URLs so the change of misdetection is minimal.
Hope this helps.
An example of what im trying to get:
String1 - 'string.co.uk' - would return 'string' and 'co.uk'
String2 - 'random.words.string.co.uk' - would return 'string` and 'co.uk'
I currently have this:
var split= [];
var tld_part = domain_name.split(".");
var sld_parts = domain_name.split(".")[0];
tld_part = tld_part.slice(1, tld_part.length);
split.push(sld_parts);
split.push(tld_part.join("."));
With my current code, it takes the split parameter from the beginning, i want to reverse it if possible. With my current code it does this:
String1 - 'string.co.uk' - returns 'string' and 'co.uk'
String2 - 'random.words.string.co.uk' - would return 'random` and 'words.string.co.uk'
Any suggestions?
To expand upon elclanrs comment:
function getParts(str) {
var temp = str.split('.').slice(-3) // grabs the last 3 elements
return {
tld_parts : [temp[1],temp[2]].join("."),
sld_parts : temp[0]
}
}
getParts("foo.bar.baz.co.uk") would return { tld_parts : "co.uk", sld_parts : "baz" }
and
getParts("i.got.99.terms.but.a.bit.aint.one.co.uk") would return { tld_parts : "co.uk", sld_parts : "one" }
try this
var str='string.co.uk'//or 'random.words.string.co.uk'
var part = str.split('.');
var result = part[part.length - 1].toString() + '.' + part[part.length - 1].toString();
alert(result);
One way that comes to mind is the following
var tld_part = domain_name.split(".");
var name = tld_part[tld_part.length - 2];
var tld = tld_part[tld_part.length - 1] +"."+ tld_part[tld_part.length];
Depending on your use case, peforming direct splits might not be a good idea — for example, how would the above code handle .com or even just localhost? In this respect I would go down the RegExp route:
function stripSubdomains( str ){
var regs; return (regs = /([^.]+)(\.co)?(\.[^.]+)$/i.exec( str ))
? regs[1] + (regs[2]||'') + regs[3]
: str
;
};
Before the Regular Expression Police attack reprimand me for not being specific enough, a disclaimer:
The above can be tightened as a check against domain names by rather than checking for ^., to check for the specific characters allowed in a domain at that point. However, my own personal perspective on matters like these is to be more open at the point of capture, and be tougher from a filtering point at a later date... This allows you to keep an eye on what people might be trying, because you can never be 100% certain your validation isn't blocking valid requests — unless you have an army of user testers at your disposal. At the end of the day, it all depends on where this code is being used, so the above is an illustrated example only.
So i have this code:
function validateText(str)
{
var tarea = str;
var tarea_regex = /^(http|https)/;
if(tarea_regex.test(String(tarea).toLowerCase()) == true)
{
$('#textVal').val('');
}
}
This works perfectly for this:
https://hello.com
http://hello.com
but not for:
this is a website http://hello.com asdasd asdasdas
tried doing some reading but i dont where to place * ? since they will check the expression anywhere on the string according here -> http://www.regular-expressions.info/reference.html
thank you
From the looks of it, you're just checking if http or https exists in the string. Regular expressions are a bit overkill for that purpose. Try this simple code using indexOf:
function validateText(str)
{
var tarea = str;
if (tarea.indexOf("http://") == 0 || tarea.indexOf("https://") == 0) {
// do something here
}
}
Try this:
function validateText(string) {
if(/(http(s?)):\/\//i.test(string)) {
// do something here
}
}
The ^ in the beginning matches the start of the string. Just remove it.
var tarea_regex = /^(http|https)/;
should be
var tarea_regex = /(http|https)/;
((http(s?))\://))
Plenty of ideas here : http://regexlib.com/Search.aspx?k=URL&AspxAutoDetectCookieSupport=1
Have you tried using a word break instead of the start-of-line character?
var tarea_regex = /\b(http|https)/;
It seems to do what I think you want. See here: http://jsfiddle.net/BejGd/