(?i)\b\d{1,2}\s?[hg]\s?\d{1,2}\s?[ap]?[m]?\b(\s?-?)
(?i)\b\d{1,2}\s?[hg]\b(\s?-?)
(?i)\b(?:2[0-4]|[01]?[1-9])\s?[:hg]\s?[0-5][0-9]\s?[ap]?[m]?\b(\s?-?)