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Trying to remove ST,+ from this string below. I've tried so many different ways but just can't seem to get it to remove anything from the string at all. Anything I'm doing wrong?

function convertSerialData(valueIn){

valueIn.replace(/ST/i, ''); 

return valueIn;
}

alert(convertSerialData('ST,+00.8  g '));

Trying to remove ST,+ from this string below. I've tried so many different ways but just can't seem to get it to remove anything from the string at all. Anything I'm doing wrong?

function convertSerialData(valueIn){

valueIn.replace(/ST/i, ''); 

return valueIn;
}

alert(convertSerialData('ST,+00.8  g '));
  • javascript
Share Improve this question asked Sep 2, 2015 at 13:40 thedoggydogthedoggydog 4691 gold badge4 silver badges11 bronze badges
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2 Answers 2

Reset to default 8

You don't seem to be assigning the results of the replace:

valueIn = valueIn.replace(/ST,[+]/i, '');

Or, more concisely:

function convertSerialData(valueIn){
    return valueIn.replace(/ST,[+]/i, ''); 
}

valueIn.replace(/ST/i, ''); doesn't modify the string, it returns a new one. You need to use the value returned from the .replace() function.

Also, if you want to remove more than just ST, then you just need to update your regex to remove the characters you need.

function convertSerialData(valueIn){
    return valueIn.replace(/ST,\+/i, '');
}

Trying to remove ST,+ from this string below. I've tried so many different ways but just can't seem to get it to remove anything from the string at all. Anything I'm doing wrong?

function convertSerialData(valueIn){

valueIn.replace(/ST/i, ''); 

return valueIn;
}

alert(convertSerialData('ST,+00.8  g '));

Trying to remove ST,+ from this string below. I've tried so many different ways but just can't seem to get it to remove anything from the string at all. Anything I'm doing wrong?

function convertSerialData(valueIn){

valueIn.replace(/ST/i, ''); 

return valueIn;
}

alert(convertSerialData('ST,+00.8  g '));
  • javascript
Share Improve this question asked Sep 2, 2015 at 13:40 thedoggydogthedoggydog 4691 gold badge4 silver badges11 bronze badges
Add a ment  | 

2 Answers 2

Reset to default 8

You don't seem to be assigning the results of the replace:

valueIn = valueIn.replace(/ST,[+]/i, '');

Or, more concisely:

function convertSerialData(valueIn){
    return valueIn.replace(/ST,[+]/i, ''); 
}

valueIn.replace(/ST/i, ''); doesn't modify the string, it returns a new one. You need to use the value returned from the .replace() function.

Also, if you want to remove more than just ST, then you just need to update your regex to remove the characters you need.

function convertSerialData(valueIn){
    return valueIn.replace(/ST,\+/i, '');
}

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