Readability aside, are there any discernable differences (performance perhaps) between using

str.indexOf("src") 

and

str.match(/src/)

I personally prefer match (and regexp) but colleagues seem to go the other way. We were wondering if it mattered ...?

EDIT:

I should have said at the outset that this is for functions that will be doing partial plain-string matching (to pick up identifiers in class attributes for JQuery) rather than full regexp searches with wildcards etc.

class='redBorder DisablesGuiClass-2345-2d73-83hf-8293' 

So it's the difference between:

string.indexOf('DisablesGuiClass-');

and

string.match(/DisablesGuiClass-/)