Question

-2

javascript unterminated character class

rated 0 times [ 4] [ 6] / answers: 1 / hits: 29400 / 12 Years ago, fri, february 1, 2013, 12:00:00

var badCode = (INST1,\[0,;

var regex = new RegExp(badCode, igm);

gets unterminated character class error.

How to fix?

TIA

trying suggestions from responders to this post, please see the following screen prints (you might have to right-click on images and open in new tab to make legible):
note values of new_bad_thing (equiv of badCode above)

and here is the screen print when I hit the run button (please note the error message):

enter

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daijac

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3 Years ago

answered 12 Years ago minab · Accepted Answer

Put another backslash at badCode:

var badCode = \(INST1,\[0,;

var regex = new RegExp(badCode, igm);

since you need one to escape ( inside the regex itself (signal it that it's a literal parentheis) and one escape for javascript.