Javascript Remove Negative Decimal Value From String

Question

I am trying to remove the negative and positive decimal value from the string following script remove the positive decimal value from the string however negative is not working

var string = "Test Alpha -0.25 (1-3)"
string = string.replace(/\s*\d+[.,]\d+/g, "");
console.log(string);

above code is returning following output:

Test Alpha - (1-3)

Expected output:

Test Alpha (1-3)

Please help me

is the structure always the same? like your string = String Number Number ? — T. Jami
– T. Jami, Commented May 6, 2022 at 9:28

score 2 · Accepted Answer · 2022-05-06 09:58:06Z

2

You need add the "-" in the regrex condition.

var string = "Test Alpha -0.25 (1-3)"
string = string.replace(/\s*-\d+[.,]\d+/g, "");
console.log(string);

edited May 6, 2022 at 9:58

answered May 6, 2022 at 9:29

user12742938

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2 Comments

Docu Stack Over a year ago

thank you how to remove 0 example Test Alpha 0 (1-3)?

user12742938 Over a year ago

Try with this, regex-generator.olafneumann.org

Andy · Accepted Answer · 2022-05-06 09:53:53Z

0

The sign should be optional (?), and then you can match a set of numbers followed by a . or a ,, followed by another set of numbers, and replace that match. That way you can match both positive and negative numbers with the same expression.

var string = "Test Alpha 0 -0.25 12,31 31 -123.45 (1-3)"
string = string.replace(/( -?\d+([.,]\d+)?)/g, '');
console.log(string);

edited May 6, 2022 at 9:53

answered May 6, 2022 at 9:45

Andy

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2 Comments

Docu Stack Over a year ago

hi andy thank you how to remove 0 example Test Alpha 0 (1-3)

Andy Over a year ago

@DocuStack Updated. Just make everything from the decimal point a new group, and make that optional too.

Jake · Accepted Answer · 2022-05-06 09:33:53Z

0

Change the regex statement to match the -, this can be like so:

/\s*-\d+[.,]\d+/g

answered May 6, 2022 at 9:33

Jake

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