JavaScript basic replace two chars in same string

Question

I have:

var foo = '(bar)'
foo.replace('(', '').replace(')', '')

So, I get bar without parentheses, is there a better way to do this?

Pointy · Accepted Answer · 2012-03-19 13:22:57Z

7

You could use:

foo = foo.replace(/[()]/g, '');

That involves a simple regular expression that matches all instances of either open- or close-parentheses. Note that you have to include that assignment, as ".replace()" does not modify the string; it returns the modified string.

answered Mar 19, 2012 at 13:22

Pointy

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Matt Fellows · Accepted Answer · 2012-03-19 13:26:05Z

2

You could use a regex capturing everything inside parentheses in a capturing group as per Javascrip Regex e.g.

var foo = "(bar)";
var replacedStr = foo.replace(/\((.*)\)/g, "$1");

or replacing just the parentheses with empty string e.g.

var foo = "(bar)";
var replacedStr = foo.replace(/[()]/g, "");

answered Mar 19, 2012 at 13:26

Matt Fellows

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Comments

rusmus · Accepted Answer · 2012-03-19 14:52:16Z

0

If it is always the first and last characters you are trying to get rid of, you could use the slice method: http://www.w3schools.com/jsref/jsref_slice_string.asp

var foo = '(bar)';
alert(foo.slice(1, 4));
//Or
alert(foo.slice(1, foo.length - 1));

answered Mar 19, 2012 at 14:52

rusmus

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