Get the first number in a string in script

Question

This script returns a value like 33 | 4 and I need only the the first whole number, in this case 33.

Can I use .replace( /[^\d].*/, '' ) and where/how to put this? Or is there better solutions?

You are all very helpful, but i'm in a stage where I need to see my full script or a line from it with you solutions implemented ;-)

Thanks

jQuery(document).ready(function($) {
  $("#input_1_1").blur(function() {
    // sets the value of #input_1_8 to
    // that which was entered in #input_1_1
    $("#input_1_8").val($("#input_1_1").val());
  });
});

Just call `parseInt()` on the value. It will read all leading digits until a non-digit character is found: https://jsfiddle.net/c27xfdoh/ — Rory McCrossan, Mar 26 '19 at 11:13

R3tep · Accepted Answer · 2019-03-26T13:06:26.290

1

You can use parseInt() or split your string with | and get the first result

console.log(parseInt("33 | 4"))
// or
console.log("33 | 4".split(" | ")[0])

In your case you can do

jQuery(document).ready(function($) {
  $("#input_1_1").blur(function() {
    $("#input_1_8").val(parseInt($("#input_1_1").val()));
  });
});

edited Mar 26 '19 at 13:06

answered Mar 26 '19 at 11:16

R3tep

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M.Hemant · Answer 2 · 2019-03-26T11:20:07.437

0

Try this,

var str = "33 | 4";
var res = str.split("|");//split with '|' it will return array
console.log(res[0].trim());//33

You can do trim on it or parseInt, whatever you want to get your task done.

edited Mar 26 '19 at 11:20

answered Mar 26 '19 at 11:16

M.Hemant

2,345
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9
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ALEJANDRO MARTÍN MARQUÉS · Answer 3 · 2019-03-26T18:54:18.297

-1

With split you can split a string with any character, my example:

<script>

var stringexample="45.89 | 65";
alert(takefirst(sting));
}

function takefirst(){
var a=string.split("|");
return a[0]
}
</script>

Also you can use split for separete character for character like this

var a=stringexample.split("");
for(var i=0;i<a.lenght;i++){
alert(a[i]);
}

Alerts:

Etc..

edited Mar 26 '19 at 18:54

answered Mar 26 '19 at 11:17

ALEJANDRO MARTÍN MARQUÉS

62
8

Firstly, please take the time to describe what the issues are and why this solution helps. Remember, we're here to educate people, not just dump code on them. Secondly this will return `3`, not `33` – Rory McCrossan Mar 26 '19 at 11:18
Chill, i not was finished my answer and you post a comment let me one minute be chill be happy – ALEJANDRO MARTÍN MARQUÉS Mar 26 '19 at 11:22
I am very happy :) My point, which you seem to be missing, is that your answer does not return what the OP is asking for. – Rory McCrossan Mar 26 '19 at 11:22
My bad so, sorry – ALEJANDRO MARTÍN MARQUÉS Mar 26 '19 at 18:32
No problem. If you edit the answer to correct it I'll gladly remove my downvote – Rory McCrossan Mar 26 '19 at 18:34
You think is a correct answer now? – ALEJANDRO MARTÍN MARQUÉS Mar 26 '19 at 18:44

Get the first number in a string in script

3 Answers3