Check for balanced parentheses in a string using a regular expression? Piece of cake try { new RegExp(testString) } catch (e) { return false } return true
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To be clear, this solution works perfectly if it's guaranteed that `testString` *only* contains parentheses. Otherwise you have to strip all the non-parentheses out first
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If you don't strip non-parentheses out first, there are a few failure cases: (abc\) - returns false, should be true [abc)(] - returns true, should be false
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