...all I get is a syntax error mismatched right bracket

That's not what I get when I run your snippet (commenting out the do something lines). I get:

syntax error at [...] line 12, near "{"

where lines 12-13 are: 

elsif
{

[download]

Did you perchance mean else rather than elsif?

In reply to Re^3: regex testing for multiple values by Not_a_Number
in thread regex testing for multiple values by grashoper

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