(string-match "^&?\\(\\(Fri\\(?:\\.\\|day\\)?\\|Mon\\(?:\\.\\|day\\)?\\|S\\(?:at\\(?:\\.\\|urday\\)?\\|un\\(?:\\.\\|day\\)?\\)\\|T\\(?:hu\\(?:\\.\\|rsday\\)?\\|ue\\(?:\\.\\|sday\\)?\\)\\|Wed\\(?:\\.\\|nesday\\)?\\), *\\(A\\(?:pr\\(?:\\.\\|il\\)?\\|ug\\(?:\\.\\|ust\\)?\\)\\|Dec\\(?:\\.\\|ember\\)?\\|Feb\\(?:\\.\\|ruary\\)?\\|J\\(?:an\\(?:\\.\\|uary\\)?\\|u\\(?:l[.y]\\|n[.e]\\|[ln]\\)\\)\\|Ma\\(?:r\\(?:\\.\\|ch\\)\\|y\\.\\|[ry]\\)\\|Nov\\(?:\\.\\|ember\\)?\\|Oct\\(?:\\.\\|ober\\)?\\|Sep\\(?:\\.\\|tember\\)?\\|\\*\\) *\\([0-9]+\\|\\*\\), *-?\\([0-9]+\\|\\*\\)[^0-9]\\)" "Thu, Apr 5, 2007 Today's entry")
  => 0