> "escpaed\\/not/".split(/(?:^|[^\\])\//g)
<  [ "escpaed\/no", "" ]

var s = 'foo\\/bar/baz\\/foo/bar\\/baz', re = /\\.|(\/)/g, indices = [], m;
while ((m = re.exec(s)) !== null) {
    if (m[1] !== undefined) indices.push(m.index);
}
indices.push(s.length);
var split = [], prevIndex = -1;
indices.forEach(function(index) {
    split.push(s.slice(prevIndex + 1, index));
    prevIndex = index;
});
console.log(split);

import re,random
c=random.choice
d={}
print "Hi!"
i=raw_input()
r=re.sub
d["HI"]=i
l=["HI",r('\W+','',i).upper()] #list of responses
print i
while True:
 j=raw_input()
 if j=="break":break
 try:d[l[len(l)-1]]+=[j]
 except:d[l[len(l)-1]]=[j]
 try:print c(d[j]);l+=[r('\W+','',d[j]).upper()]
 except:print d[c(d.keys())];l+=[r('\W+','',d[c(d.keys())])]
 print l,d

TypeError: expected string or buffer

Hi!
hi...
hi...
HI
HI