/(?<=\/)([^#]+)(?=#*)/ works fine in Chrome, but in safari, I get:
Invalid regular expression: invalid group specifier name
Looks like Safari doesn't support lookbehind yet (that is, your
(?<=\/)). One alternative would be to put the
/ that comes before in a non-captured group, and then extract only the first group (the content after the
/ and before the
(?=#*) is odd - you probably want to lookahead for something (such as
# or the end of the string), rather than a
* quantifier (zero or more occurrences of
#). It might be better to use something like
or just omit the lookahead entirely (because the
([^#]+) is greedy), depending on your circumstances.
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