要这一段
正则是：
<a\shref="([^"]*\.pdf)">
结果就出来了
<a href="/uploads/2/1/0/0/21005170/instruction-3d-picture.pdf"> <a href="/uploads/2/1/0/0/21005170/3d-picture-nativity.pdf"> <a href="/uploads/2/1/0/0/21005170/3d-picture-visit-magi.pdf"> <a href="/uploads/2/1/0/0/21005170/3d-pic-03_jesus_visits_jerusalem_as_a_boy.pdf"> <a href="/uploads/2/1/0/0/21005170/3d-pic-04_when_jesus_was_baptized.pdf"> <a href="/uploads/2/1/0/0/21005170/3d-pic-05_nicodemus_visits_jesus.pdf"> <a href="/uploads/2/1/0/0/21005170/3d-pic-06_jesus_calls_his_first_disciples.pdf"> <a href="/uploads/2/1/0/0/21005170/3d-pic-07_jesus_and_the_woman_from_samaria.pdf"> <a href="/uploads/2/1/0/0/21005170/3d-pic-08_the_sermon_on_the_mount.pdf"> <a href="/uploads/2/1/0/0/21005170/3d-pic-09_jesus_healing_ministry.pdf"> <a href="/uploads/2/1/0/0/21005170/3d-pic-10_raising_of_lazarus.pdf"> <a href="/uploads/2/1/0/0/21005170/3d-pic-11_in_the_garden_of_gethsemane.pdf"> <a href="/uploads/2/1/0/0/21005170/3d-pic-12_truly_this_was_the_son_of_god.pdf"> <a href="/uploads/2/1/0/0/21005170/3d-pic-13_jesus_will_return.pdf">
选择全部PHP注释：
(?:#|//)[^\r\n]*|/\*[\s\S]*?\*/
屌爆了！一下子就把所有注释给删除掉！！
