JavaScript xsd:dateTime Parser

xsdDateTime.js

// built from definition: http://books.xmlschemata.org/relaxng/ch19-77049.html
var xsdDateTimePattern = new RegExp([
  '(\\d{4})', //year
  '-',
  '(\\d{2})', // month
  '-',
  '(\\d{2})', // day
  'T',
  '(\\d{2})', // hour
  ':',
  '(\\d{2})', // minutes
  ':',
  '(\\d{2}(\\.\\d+)?)', // seconds incl optional decimal fraction
  '(Z|[+-](\\d{2}):(\\d{2}))' // time zone
].join(''))

/**
 * Return whether the provided string is a valid xsd:dateTime
 */
function isValidXsdDateTime(dateTimeStr) {
  var match = dateTimeStr.match(xsdDateTimePattern);
  return match;
}