little endian

[CTG]

var x = "B113769A"

How do you convert B113769A to "9A7613B1" to get the proper
conversion ?

[Evertjan.]

RobG wrote on 22 mei 2008 in comp.lang.javascript:

On May 22, 11:09 am, CTG <[e-mail]:

>var x = "B113769A"

// Return if has invalid characters
if (/[^a-f0-9]/.test(x.toLowerCase())) return;

if ( /[^a-f0-9]/i.test(x) ) return;

// Might need left padding
x = (x.length % 2)? '0'+x : x;

// Split into an array of pairs, reverse and join again
return x.match(/../g).reverse().join('');

Nice! Will remember that one.
--
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)

[RobG]

On May 22, 5:09*pm, "Evertjan." <[e-mail]:

RobG wrote on 22 mei 2008 in comp.lang.javascript:

On May 22, 11:09 am, CTG <[e-mail]:

var x = "B113769A"

* // Return if has invalid characters
* if (/[^a-f0-9]/.test(x.toLowerCase())) return;

if ( /[^a-f0-9]/i.test(x) ) return;

Ah yes...

>

* // Might need left padding
* x = (x.length % 2)? '0'+x : x;

* // Split into an array of pairs, reverse and join again
* return x.match(/../g).reverse().join('');

Nice! Will remember that one.

Credit where credit's due - the inspiration came from the second
banana example here:

<URL: http://www.merlyn.demon.co.uk/js-valid.htm#JS >
--
Rob