/
((?:[ ]|^|[^\d\.\:\-\r\n$£])((?:1[0-9]|2[0-4]|0?[1-9]|00|one|two|three|four|five|six|seven|eight|nine|ten|eleven|twelve)[ ]?[\:\. ]?[ ]?(?:[0-5][0-9]|fifteen|thirty|fou?rty ?five)(?:[ ]?(?:am|pm)|[ ]?o\'?[ ]?clock))(?:\b|$|,\b)|(?:[ ]|^|[^\d\.\:\-\r\n$£])(((?:1[0-9]|2[0-4]|0?[1-9]|00|one|two|three|four|five|six|seven|eight|nine|ten|eleven|twelve)(?:[ ]?(?:am|pm))|[ ]?o\'?[ ]?clock))(?:\b|$|,\b)|(?:[ ]|^|[^\d\.\:\-\r\n$£])((?:1[0-9]|2[0-4]|0?[1-9]|00|one|two|three|four|five|six|seven|eight|nine|ten|eleven|twelve)[