Custom Node.js Validator for MongoIDs. Build to DRY out and standardize the validation of MongoIDs passed as path or query values into a express endpoint.

Validator.prototype.isObjectID()

var Validator = require('validator').Validator;

Validator.prototype.isObjectID = function() {

    var regex = new RegExp("^[0-9a-fA-F]{24}$");

    if (!regex.test(this.str)) {
      this.error(this.msg + ', Requires a String of 12 bytes or a string of 24 hex characters.');
    }

    return this; //Allow method chaining
}

/*

    var v = new Validator();
    v.check(req.params.ucs, 'Invalid Mongo Object ID.').isObjectID();

    if (v.getErrors().length > 0) {
      res.send( JSON.stringify({ status: false, errors: v.getErrors()}), 200);
      return;
    }

*/

// T: 1/17/2012