regex.js
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var safe = require('../');
var test = require('tape');
var good = [
/\bOakland\b/,
/\b(Oakland|San Francisco)\b/i,
/^\d+1337\d+$/i,
/^\d+(1337|404)\d+$/i,
/^\d+(1337|404)*\d+$/i,
RegExp(Array(26).join('a?') + Array(26).join('a')),
];
test('safe regex', function (t) {
t.plan(good.length);
good.forEach(function (re) {
t.equal(safe(re), true);
});
});
var bad = [
/^(a?){25}(a){25}$/,
RegExp(Array(27).join('a?') + Array(27).join('a')),
/(x+x+)+y/,
/foo|(x+x+)+y/,
/(a+){10}y/,
/(a+){2}y/,
/(.*){1,32000}[bc]/
];
test('unsafe regex', function (t) {
t.plan(bad.length);
bad.forEach(function (re) {
t.equal(safe(re), false);
});
});
var invalid = [
'*Oakland*',
'hey(yoo))',
'abcde(?>hellow)',
'[abc'
];
test('invalid regex', function (t) {
t.plan(invalid.length);
invalid.forEach(function (re) {
t.equal(safe(re), false);
});
});