{"id":4958,"date":"2018-12-20T14:21:38","date_gmt":"2018-12-20T05:21:38","guid":{"rendered":"https:\/\/xe.bz\/blog\/?p=4958"},"modified":"2018-12-20T14:21:43","modified_gmt":"2018-12-20T05:21:43","slug":"php%e3%81%ae%e6%ad%a3%e8%a6%8f%e8%a1%a8%e7%8f%bepreg%e9%96%a2%e6%95%b0%e3%81%a7%e5%85%88%e9%a0%ad-%e6%9c%ab%e5%b0%be%e3%81%ae%e6%a4%9c%e7%b4%a2%e3%81%af-%e3%81%a7%e3%81%84%e3%81%84%e3%81%ae","status":"publish","type":"post","link":"https:\/\/akibabara.com\/blog\/4958.html","title":{"rendered":"PHP\u306e\u6b63\u898f\u8868\u73fepreg\u95a2\u6570\u3067\u5148\u982d\/\u672b\u5c3e\u306e\u691c\u7d22\u306f ^ $ \u3067\u3044\u3044\u306e\u304b\uff1f \\A \\z \u304b\uff1f"},"content":{"rendered":"\n

\u4f3c\u3066\u3044\u308b\u3088\u3046\u3067\u5fae\u5999\u306b\u9055\u3046 ^ \\A \u3068 $ \\z<\/h2>\n\n\n\n

\u6b63\u898f\u8868\u73fe\u3067\u5148\u982d\u610f\u5473\u3059\u308b\u306e\u306f ^ \u3001\u672b\u5c3e\u306f $ \u3068\u3044\u3046\u306e\u306f\u3001\u30cd\u30c3\u30c8\u3067\u6b63\u898f\u8868\u73fe\u3068\u691c\u7d22\u3059\u308c\u3070\u3069\u306e\u30b5\u30a4\u30c8\u3067\u3082\u5f53\u305f\u308a\u524d\u306e\u3088\u3046\u306b\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002\u79c1\u3082\u305a\u3063\u3068\u305d\u3046\u3060\u3068\u601d\u3063\u3066\u307e\u3057\u305f\u3002\u3068\u3053\u308d\u304c\u3042\u308b\u3068\u304d\u3001\u5fb3\u4e38\u6d69\u3055\u3093\u306e\u300c\u4f53\u7cfb\u7684\u306b\u5b66\u3076 \u5b89\u5168\u306aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4f5c\u308a\u65b9 \u7b2c2\u7248<\/a>\u300d\u3092\u8aad\u3093\u3067\u3044\u3066\u3001\u5148\u982d\u672b\u5c3e\u306f ^$ \u3060\u3051\u3058\u3083\u306a\u3044\u3053\u3068\u3001\u305d\u308c\u3067\u306f\u4e0d\u5341\u5206\u3060\u3068\u3044\u3046\u3053\u3068\u3092\u77e5\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u5148\u982d\u306a\u306e\u304b\u884c\u982d\u306a\u306e\u304b\u3001\u672b\u5c3e\u306a\u306e\u304b\u884c\u672b\u306a\u306e\u304b\u3001\u3069\u3063\u3061\u306a\u3093\u3060\u3088\u304a\u304a\u304a\u304a\u301c\u3002\u3069\u3046\u9055\u3046\u306e\u304b\u30a4\u30de\u30a4\u30c1\u3088\u304f\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u5b9f\u969b\u306bPHP\u3067\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u9055\u3044\u3092\u898b\u6bd4\u3079\u3066\u307f\u307e\u3057\u305f\u3002\u4eca\u56de\u5b9f\u9a13\u3057\u305f\u74b0\u5883\u306f CentOS 7.5 PHP 5.4.16 \u3067\u3059\u3002<\/p>\n\n\n\n

\u5bfe\u8c61\u6587\u5b57\u5217\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u9014\u4e2d\u306b\u6539\u884c\u30b3\u30fc\u30c9\u304c\u5165\u3063\u3066\u3044\u307e\u3059\u3002
$str = “abc123\\nXYZ987”;
<\/p>\n\n\n\n

\u5b9f\u9a13\u7d50\u679c\uff08\uff11\uff09 ^ $ \u3092\u4f7f\u3063\u305f\u5834\u5408<\/h2>\n\n\n\n

\u307e\u305a\u306f1\u884c\u76ee\u306e\u6587\u5b57\u5217 abc123 \u306e\u691c\u7d22\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

true = ereg “abc123”
true = preg “\/abc123\/”
true = preg “\/abc123\/s”
true = preg “\/abc123\/m”
\u90e8\u5206\u4e00\u81f4\u3002\u666e\u901a\u306b\u30de\u30c3\u30c1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

true = ereg “^abc123”
true = preg “\/^abc123\/”
true = preg “\/^abc123\/s”
true = preg “\/^abc123\/m”
^\u3067\u884c\u982d\u4e00\u81f4\u3002\u5148\u982d\u3067\u3082\u3042\u308a\u884c\u982d\u3067\u3082\u3042\u308b\u306e\u3067\u533a\u5225\u306f\u3064\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n

false = ereg “abc123$”
false = preg “\/abc123$\/”
false = preg “\/abc123$\/s”
true = preg “\/abc123$\/m”
$\u3067\u884c\u672b\u4e00\u81f4\u3002\u3053\u306e\u7d50\u679c\u304b\u3089\u3001\u6539\u884c\u30b3\u30fc\u30c9\u306f\u884c\u672b\u3068\u3057\u3066\u6271\u308f\u308c\u3066\u3044\u306a\u3044\u3088\u3046\u306a\u306e\u3067\u3001$\u306f\u300c\u884c\u672b\u300d\u3067\u306f\u306a\u304f\u300c\u672b\u5c3e\u300d\uff08\u6587\u5b57\u5217\u306e\u7d42\u7aef\uff09\u3067\u30de\u30c3\u30c1\u3059\u308b\u3068\u8003\u3048\u3089\u308c\u307e\u3059<\/strong>\u3002\uff08\u5b9f\u969b\u306f\u3061\u3087\u3063\u3068\u9055\u3046\u3002\u5f8c\u8ff0\u306b\u3066\u3002\uff09\u306a\u304a\u3001preg\u306f\/m\u3092\u4ed8\u3051\u308b\u3068\u6539\u884c\u306b\u884c\u672b\u3068\u3057\u3066\u30de\u30c3\u30c1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

false = ereg “^abc123$”
false = preg “\/^abc123$\/”
false = preg “\/^abc123$\/s”
true = preg “\/^abc123$\/m”
^$\u3067\u884c\u982d\u884c\u672b\u4e00\u81f4\u3002\u30de\u30c3\u30c1\u3057\u307e\u305b\u3093\u3002\u4e0a\u8a18\u306e\u7d50\u679c\u3068\u540c\u3058\u3067\u3059\u3002<\/p>\n\n\n\n

\u7d9a\u3044\u3066\u30012\u884c\u76ee\u306e\u6587\u5b57\u5217 XYZ987 \u306e\u691c\u7d22\u306b\u6311\u307f\u307e\u3059\u3002<\/p>\n\n\n\n

true = ereg “XYZ987”
true = preg “\/XYZ987\/”
true = preg “\/XYZ987\/s”
true = preg “\/XYZ987\/m”
\u90e8\u5206\u4e00\u81f4\u3002\u6539\u884c\u306e\u3042\u3068\u306e2\u884c\u76ee\u3082\u691c\u7d22\u5bfe\u8c61\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

false = ereg “^XYZ987”
false = preg “\/^XYZ987\/”
false = preg “\/^XYZ987\/s”
true = preg “\/^XYZ987\/m”
^\u3067\u884c\u982d\u4e00\u81f4\u30021\u884c\u76ee\u306e\u5834\u5408\u3068\u7d50\u679c\u304c\u5909\u308f\u308a\u307e\u3057\u305f\u30022\u884c\u76ee\u306b\u3042\u308b\u306e\u3067\u300c\u884c\u982d\u300d\u306e\u306f\u305a\u306a\u306e\u3067\u3059\u304c\u30de\u30c3\u30c1\u3057\u307e\u305b\u3093\u3002\u3053\u306e\u7d50\u679c\u304b\u3089\u306f\u3001^ \u306f\u300c\u884c\u982d\u300d\u3067\u306f\u306a\u304f\u300c\u5148\u982d\u300d\u3067\u30de\u30c3\u30c1\u3059\u308b\u3068\u8003\u3048\u3089\u308c\u307e\u3059<\/strong>\u3002\u306a\u304a\u3001preg\u306e\/m\u3092\u3064\u3051\u308b\u3068\u6539\u884c\u3092\u884c\u982d\u3068\u3057\u3066\u30de\u30c3\u30c1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

true = ereg “XYZ987$”
true = preg “\/XYZ987$\/”
true = preg “\/XYZ987$\/s”
true = preg “\/XYZ987$\/m”
$\u3067\u884c\u672b\u4e00\u81f4\u3002\u672b\u5c3e\u3067\u3082\u3042\u308a\u884c\u672b\u3067\u3082\u3042\u308b\u306e\u3067\u533a\u5225\u306f\u3064\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n

false = ereg “^XYZ987$”
false = preg “\/^XYZ987$\/”
false = preg “\/^XYZ987$\/s”
true = preg “\/^XYZ987$\/m”
^$\u3067\u884c\u982d\u884c\u672b\u4e00\u81f4\u3002\u3084\u306f\u308a ^ \u306f\u884c\u982d\u3067\u306f\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002preg\u306e\/m\u3092\u3064\u3051\u308b\u3068\u6539\u884c\u3092\u884c\u982d\u3068\u3057\u3066\u30de\u30c3\u30c1\u3057\u307e\u3059\u3002
<\/p>\n\n\n\n

true = ereg “^abc123\\nXYZ987$”
true = preg “\/^abc123\\nXYZ987$\/”
true = preg “\/^abc123\\nXYZ987$\/s”
true = preg “\/^abc123\\nXYZ987$\/m”
\u6700\u5f8c\u306b\u6587\u5b57\u5217\u5168\u4f53\u3092\u6bd4\u8f03\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u4eca\u307e\u3067\u306e\u7d50\u679c\u304b\u3089\u3001^\u306f\u5148\u982d\u3001$\u306f\u672b\u5c3e\u3001\u3067\u3042\u3063\u305f\u306e\u3067\u4e0a\u306e3\u3064\u306f\u308f\u304b\u308a\u307e\u3059\u3002preg\u306e\/m\u3092\u3064\u3051\u308b\u3068\u3001\u6539\u884c\u306f\u5148\u982d(\u884c\u982d)\u3068\u3057\u3066\u3082\u672b\u5c3e(\u884c\u672b)\u3068\u3057\u3066\u3082\u30de\u30c3\u30c1\u3059\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n

\u5b9f\u9a13\u7d50\u679c\uff08\uff12\uff09 \\A \\z \u3092\u4f7f\u3063\u305f\u5834\u5408<\/h2>\n\n\n\n

\u6b21\u306b\u3001\u5148\u982d\u3092\u610f\u5473\u3059\u308b \\A \u3068\u672b\u5c3e\u3092\u610f\u5473\u3059\u308b \\z \u3092\u4f7f\u3063\u305f\u5834\u5408\u306b\u3069\u3046\u306a\u308b\u304b\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

true = preg “\/abc123\/”
true = preg “\/abc123\/s”
true = preg “\/abc123\/m”<\/p>\n\n\n\n

true = preg “\/\\Aabc123\/”
true = preg “\/\\Aabc123\/s”
true = preg “\/\\Aabc123\/m”<\/p>\n\n\n\n

false = preg “\/abc123\\z\/”
false = preg “\/abc123\\z\/s”
false = preg “\/abc123\\z\/m”
\\z \u306f\u884c\u672b\u306b\u306f\u30de\u30c3\u30c1\u3057\u307e\u305b\u3093<\/strong>\u3002$ \u3068\u540c\u3058\u7d50\u679c\u3067\u3059\u3002
\/m\u306e\u5834\u5408\u3001$\u3067\u306ftrue\u3067\u3057\u305f\u304c\u3001\\z\u3067\u306ffalse\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

false = preg “\/\\Aabc123\\z\/”
false = preg “\/\\Aabc123\\z\/s”
false = preg “\/\\Aabc123\\z\/m”
\/m\u306e\u5834\u5408\u3001$\u3067\u306ftrue\u3067\u3057\u305f\u304c\u3001\\z\u3067\u306ffalse\u306b\u306a\u308a\u307e\u3057\u305f\u3002
<\/p>\n\n\n\n

true = preg “\/XYZ987\/”
true = preg “\/XYZ987\/s”
true = preg “\/XYZ987\/m”<\/p>\n\n\n\n

false = preg “\/\\AXYZ987\/”
false = preg “\/\\AXYZ987\/s”
false = preg “\/\\AXYZ987\/m”
\\A \u306f\u884c\u982d\u306b\u306f\u30de\u30c3\u30c1\u3057\u307e\u305b\u3093<\/strong>\u3002$ \u3068\u540c\u3058\u7d50\u679c\u3067\u3059\u3002
\/m\u306e\u5834\u5408\u3001$\u3067\u306ftrue\u3067\u3057\u305f\u304c\u3001\\z\u3067\u306ffalse\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

true = preg “\/XYZ987\\z\/”
true = preg “\/XYZ987\\z\/s”
true = preg “\/XYZ987\\z\/m”
<\/p>\n\n\n\n

false = preg “\/\\AXYZ987\\z\/”
false = preg “\/\\AXYZ987\\z\/s”
false = preg “\/\\AXYZ987\\z\/m”
\/m\u306e\u5834\u5408\u3001$\u3067\u306ftrue\u3067\u3057\u305f\u304c\u3001\\z\u3067\u306ffalse\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

true = preg “\/\\Aabc123\\nXYZ987\\z\/”
true = preg “\/\\Aabc123\\nXYZ987\\z\/s”
true = preg “\/\\Aabc123\\nXYZ987\\z\/m”<\/p>\n\n\n\n

\u307e\u3068\u3081<\/h2>\n\n\n\n

preg\u95a2\u6570\u306e\u4fee\u98fe\u5b50\u306a\u3057\u306e\u5834\u5408\u3001
^ \u306f\u884c\u982d\u3067\u306f\u306a\u304f\u3001\u6587\u5b57\u5217\u306e\u5148\u982d\u306b\u30de\u30c3\u30c1\u3059\u308b\u3002
$ \u306f\u884c\u672b\u3067\u306f\u306a\u304f\u3001\u6587\u5b57\u5217\u306e\u672b\u5c3e\u306b\u30de\u30c3\u30c1\u3059\u308b\u3002<\/p>\n\n\n\n

\u306a\u306e\u3067\u3001\u901a\u5e38\u306f ^ $ \u3092\u4f7f\u3063\u3066\u3044\u308c\u3070\u554f\u984c\u306a\u3055\u305d\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u3057\u304b\u3057\u2026<\/p>\n\n\n\n

$ \u306f\u672b\u5c3e\u306e\u6539\u884c\u30b3\u30fc\u30c9\u3092\u898b\u9003\u3059\u3001\u3068\u306f\uff1f<\/h2>\n\n\n\n

\u5148\u307b\u3069\u306e\u672c\uff08Web\u30da\u30fc\u30b8\u306f\u3053\u3061\u3089<\/a>\uff09\u306b\u300c\u30c7\u30fc\u30bf\u672b\u5c3e\u306b\u6539\u884c\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u3092\u898b\u9003\u3057\u3066\u3057\u307e\u3046\u300d<\/strong>\u3068\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002\u672c\u5f53\u306b\u305d\u3046\u306a\u306e\u304b\u3001\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u672b\u5c3e\u306b\u6539\u884c\u30b3\u30fc\u30c9\u3002\u3000$str = “abc123\\n”;\u3000\u306e\u5834\u5408
false = ereg “^abc123$”
true = preg “\/^abc123$\/”
true = preg “\/^abc123$\/s”
true = preg “\/^abc123$\/m”
false = preg “\/\\Aabc123\\z\/”
false = preg “\/\\Aabc123\\z\/s”
false = preg “\/\\Aabc123\\z\/m”
preg\u306e\u5834\u5408\u3001\u672b\u5c3e\u306f\u6539\u884c\u30b3\u30fc\u30c9\u306e\u306f\u305a\u306a\u306e\u306b\u3001$ \u3067\u30de\u30c3\u30c1\u3057\u3066\u3057\u307e\u3063\u3066\u3044\u307e\u3059\uff01<\/strong>
ereg\u306e\u5834\u5408\u306f\u6b63\u5e38\u3067\u3059\u306d\u3002<\/p>\n\n\n\n

\u5148\u982d\u306b\u6539\u884c\u30b3\u30fc\u30c9\u3002\u3000$str = “\\nabc123”;\u3000\u306e\u5834\u5408
false = ereg “^abc123$”
false = preg “\/^abc123$\/”
false = preg “\/^abc123$\/s”
true = preg “\/^abc123$\/m”
false = preg “\/\\Aabc123\\z\/”
false = preg “\/\\Aabc123\\z\/s”
false = preg “\/\\Aabc123\\z\/m”
^ \u306f\u6539\u884c\u30b3\u30fc\u30c9\u306b\u30de\u30c3\u30c1\u3057\u307e\u305b\u3093\u3002\u3053\u3061\u3089\u306f\u6b63\u5e38\u3067\u3059\u3002<\/p>\n\n\n\n

\u305f\u3057\u304b\u306b $ \u3092\u4f7f\u3046\u3068\u3001\u672b\u5c3e\u306e\u6539\u884c\u30b3\u30fc\u30c9\u304c\u3059\u308a\u629c\u3051\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u7d50\u8ad6<\/h2>\n\n\n\n

^ \u306f\u304b\u307e\u308f\u306a\u3044\u304c\u3001$ \u306f\u4f7f\u308f\u305a\u4ee3\u308f\u308a\u306b \\z \u3092\u4f7f\u3046\u65b9\u304c\u826f\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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