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regex' leaks exception on empty regular expression #25

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glguy opened this issue Jul 19, 2016 · 0 comments
Open

regex' leaks exception on empty regular expression #25

glguy opened this issue Jul 19, 2016 · 0 comments

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@glguy
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glguy commented Jul 19, 2016

My understanding is that regex' was supposed to catch errors and wrap them in Left, however for an empty string we see:

Prelude Data.Text.ICU> regex' [] ""
*** Exception: ICUError U_ILLEGAL_ARGUMENT_ERROR
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