Isn’t that usually better handled via a regular expression?
One of the use cases for quasis [1][2] is to make it easy to insert literal
text into a regular expression. That seems pertinent here. Example:
re`\d+(${localeSpecificDecimalPoint}\d+)?`
The text in the variable localeSpecificDecimalPoint is matched literally by the
regular expression produced by re``.
[1] http://wiki.ecmascript.org/doku.php?id=harmony:quasis
[2] http://www.2ality.com/2011/09/quasi-literals.html
On Jan 2, 2012, at 18:03 , Adam Shannon wrote:
> Hello all,
>
> I recently ran into a situation where I would like to obtain a
> substring from the beginning until the first encounter with another
> substring. This promoted me to write a simple function, called until
> and I wondered if it would be something to add with the other string
> extras for ES.next.
>
> It could be defined as acting the same way as the following code:
>
> String.prototype.until = function (needle) {
> return this.substr(0, this.indexOf(needle));
> }
--
Dr. Axel Rauschmayer
[email protected]
home: rauschma.de
twitter: twitter.com/rauschma
blog: 2ality.com
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