18

i have the below variable in javascript. i want to remove the starting and ending "comma" sign using jquery/javascript

var test=",1,2,3,4," <--- 

Expected output: var test="1,2,3,4"

please advice

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5 Answers 5

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44

Regex should help

var edited = test.replace(/^,|,$/g,'');

^, matches the comma at the start of the string and ,$ matches the comma at the end ..

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7 Comments

how to remove | instead of ,?
@ThulasiRam, replace , with \| so it ends being test.replace(/^\||\|$/g,'')
how would I remove the comma that's followed by a space?
This is the only truly correct answer, the others will remove any character from the beginning and end of your string, regardless of whether they are a comma or not
@anees just add + after the commas. .replace(/^,+|,+$/g,'')
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3

Below code sample will do this

        var str = ",1,2,3,4,5,6,7,8,9,";
        str = str.substring(1,str.lastIndexOf(","));
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2

test.substring(1, test.length - 1); should do it for you.

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2

In my case, I am having multiple comma in between the numbers as well.

const str = ",1,8487,8,,848780,888,,";
const parsedStr = str.match(/\d+/g)
document.write(parsedStr)

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-1

Even easier

var result = test.slice(1,-1);
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1 Comment

It will remove strings which do not match the "," as well.

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