Example 1: Input should be not empty

Used checkers: notEmpty

Example 2: Input length should be between six and ten

Used checkers: minLength(6); maxLength(10)

Example 3: Input should be alphabetic in one case and numeric in second

Used checkers: alpha; numeric

Example 4: Input should be valid e-mail with minimal length ten characters

Used checkers: email; minLength(10)

Example 5: Input should be equal to "Hello"

Used checkers: equal(Hello)

Spaces, the quotes are not yet supported!

Example 6: Input should start with "Ex" in one case and has five lines in second(Custom checkers)

Used checkers: startWith(Ex); lineCount(5)

r.addChecker("startWith", function (element, args) {
    return element.value.indexOf(args[0]) == 0
})
r.addChecker("lineCount", function (element, args) {
    return element.value.split("\n").length == parseInt(args[0])
})

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