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import validation = require('./Validation');
var numberRegexp = /^[0-9]+$/;
class ZipCodeValidator implements validation.StringValidator {
  isAcceptable(s: string) {
    return s.length === 5 && numberRegexp.test(s);
  }
}

export = ZipCodeValidator;

export interface StringValidator {
  isAcceptable(s: string): boolean;
}

import validation = require('./Validation');
import zipValidator = require('./ZipCodeValidator');
import lettersValidator = require('./LettersOnlyValidator');

// Some samples to try
var strings = ['Hello', '98052', '101'];
// Validators to use
var validators: { [s: string]: validation.StringValidator; } = {};
validators['ZIP code'] = new zipValidator();
validators['Letters only'] = new lettersValidator();
// Show whether each string passed each validator
strings.forEach(s => {
    for (var name in validators) {
        console.log('"' + s + '" ' + (validators[name].isAcceptable(s) ? ' matches ' : ' does not match ') + name);
    }
});

import validation = require('./Validation');
var lettersRegexp = /^[A-Za-z]+$/;
class LetterOnlyValidator implements validation.StringValidator {
  isAcceptable(s: string) {
    return lettersRegexp.test(s);
  }
}

export = LettersOnlyValidator;