$stxt = "000
WGCA82 TJSJ 260200
FLSSJU
FLOOD ADVISORY
NATIONAL WEATHER SERVICE SAN JUAN PR
1000 PM AST FRI NOV 25 2011
PRC013-017-039-054-141-260209-
/O.EXP.TJSJ.FA.Y.0568.000000T0000Z-111126T0200Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARCELONETA PR-CIALES PR-FLORIDA PR-UTUADO PR-ARECIBO PR-
1000 PM AST FRI NOV 25 2011
...THE FLOOD ADVISORY WILL EXPIRE AT 1000 PM AST FOR ARECIBO...
UTUADO...FLORIDA...CIALES AND BARCELONETA MUNICIPALITIES...
&&
LAT...LON 1842 6666 1844 6656 1830 6657 1831 6672
$$
GV";
preg_match("(NATIONAL WEATHER SERVICE.*\n)", $stxt, $ofc);
print_r($ofc);
它返回一个空数组。帮助...我希望它匹配国家天气服务圣胡安PR(或任何其他国家的国家气象局的办公室)PHP preg_match在多行变量中查找以
它返回'$ ofc [0]' – Toto