how to replace multi string with a array node in js

Question

i here a Work and i don't know how to do it. i have a string here:

<div class="demotext">
   <p>this is demo string i demo want to demo use</p>
</div>

i create the array variable for demo:

var demoarray = new array('a','b','c');

now i want replace 'demo' in string by array node, follow 'demo' one change to 'a' , 'demo' two change to 'b'....

Can you clarify the question a bit? You want to convert "demo" to "abcd"? (Also, you have a syntax error: It's new Array, not new array [or better yet, just use var demoarray = ['a', 'b', 'c'];]). — T.J. Crowder
– T.J. Crowder, Commented May 13, 2010 at 8:30
oh thankyou. i type wrong 'Array' ^^. i want convert "demo" firse to "a" and the same in "demo" continues width "b" "c" and "d" — Rueta
– Rueta, Commented May 13, 2010 at 9:03

vsync · Accepted Answer · 2010-05-13 08:29:34Z

4

var string = 'this is demo string i demo want to demo use';
var demoarray = ['a','b','c'];

for(i=0; i < demoarray.length; i++){
    string = string.replace('demo',demoarray[i] );
}

alert(string) // "this is a string i b want to c use"

answered May 13, 2010 at 8:29

vsync

133k61 gold badges345 silver badges430 bronze badges

Sign up to request clarification or add additional context in comments.

3 Comments

Rueta Over a year ago

how to do if i want to using regex to select text 'demo' in this string :)

Rueta Over a year ago

because the text i want to select maybe diffirent character and only select by a Regex. and if my data array is a mult-dimensional array ? example: 'demo' one change to array[0][1] . 'demo' two change to array[1][1] ....

vsync Over a year ago

well then, my solution isn't very scalable, but did what you've asked. for a 2D array you would need an extra nested loop.

kennytm · Accepted Answer · 2010-05-13 08:31:38Z

0

.

function sequential_replace(str, replacementRx, arr) {
   var i = 0;
   return str.replace(replacementRx, function() {
      return arr[i++];
   });
}

return sequential_replace("this is demo string i demo want to demo use",
                          /demo/g, ['a', 'b', 'c']);

answered May 13, 2010 at 8:31

kennytm

526k110 gold badges1.1k silver badges1k bronze badges

1 Comment

vsync Over a year ago

'return sequential_replace' -> you don't need the last 'Return', just sequential_replace(...)

Collectives™ on Stack Overflow

how to replace multi string with a array node in js

2 Answers 2

3 Comments

1 Comment

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

3 Comments

1 Comment

Your Answer

Sign up or log in

Post as a guest

Related