rparentsprev = /^(?:parents|prevUntil|prevAll)/,
// Note: This RegExp should be improved, or likely pulled from Sizzle
rmultiselector = /,/,
- rchild = /(^|,)\s*>/g,
isSimple = /^.[^:#\[\.,]*$/,
slice = Array.prototype.slice,
POS = jQuery.expr.match.POS;