can I set a regexp for an object's method/property selector?

Question

var regxp = /[\\S]/; //any char, not sure if it\'s /.*/ or something else
var obj = {
 atr1: \"bla\"
}
var blahs = obj[regxp]; //returns atr1

I\'m

Answer 1

your regex will match a single non-space character.

for...in is a loop. it's slower than what exactly? have you benchmarked?

if you want to look up properties using a regex, you'll have to do it in a loop.

for(var k in obj) {
    if(regexp.match(k)) {
      // do whatever
    }
}