/*!
 * XRegExp Addon for PHP
 * Adds some Tokens that are not supported.XregEXp but exists with PHP PCRE 
 */

(function (XRegExp) {
if(!window.XRegExp || window.XRegExp.version[0] < '2' ) return; //we don't care about the other versions.
//Change  ++ into + 
XRegExp.addToken(
  /([^\\][\*\?\+])(\+)/, function (match, scope) {
    return match[1];
  },{scope: "all"}
);

//strip off the u.
XRegExp.addToken(null, null, {customFlags: "u"});

/////////////////////  UNICODE ////////////////////////
if (!XRegExp.addUnicodePackage) return; //guard: stop here if unicode support is not available

var unicodeshorts = {}; //collection(cash) of regexes
var shorts = "CLMNPSZ";
//fetch unicode regexes from XRegExp private into our cash
for( var i = 0; i < shorts.length; i++){
  var r = XRegExp('\\p{' + shorts[i] + '}').toString();
  unicodeshorts[shorts[i]] = r.substr(2, r.length -4);//strip of characterclass [] and delimiters.
}

//Support for single P without Curly Brackets.
XRegExp.addToken(
  /\\([pP])([CLMNPSZ])/, function (match, scope) {
    var e = unicodeshorts[match[2]]; 
    return scope==='class'? e : '[' + e + ']';
  },{scope: "all"}
);

}(XRegExp));