`a+`,
	`a?`,
	`a|b`,
	`a*|b*`,
	`(a*|b)(c*|d)`,
	`[a-z]`,
	`[a-abc-c\-\]\[]`,
	`[a-z]+`,
	`[abc]`,
	`[^1234]`,
	`[^\n]`,
	`\!\\`,
}

type stringError struct {
	re  string
	err string
}

var badRe = []stringError{
	{`*`, "missing argument to repetition operator: `*`"},
	{`+`, "missing argument to repetition operator: `+`"},
	{`?`, "missing argument to repetition operator: `?`"},

return res;}
function normalizeException(e){if(e===undefined||e===null){return{typeName:'UndefinedError',message:'Unknown: null or undefined exception',stack:'Unknown'};}
if(typeof(e)==='string'){return{typeName:'StringError',message:e,stack:[e]};}
let typeName;if(e.name){typeName=e.name;}else if(e.constructor){if(e.constructor.name){typeName=e.constructor.name;}else{typeName='AnonymousError';}}else{typeName='ErrorWithNoConstructor';}