{"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<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/akibabara.com\/blog\/4958.html\/#toc\" >\u4f3c\u3066\u3044\u308b\u3088\u3046\u3067\u5fae\u5999\u306b\u9055\u3046 ^ \\A \u3068 $ \\z<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/akibabara.com\/blog\/4958.html\/#toc-2\" >\u5b9f\u9a13\u7d50\u679c\uff08\uff11\uff09 ^ $ \u3092\u4f7f\u3063\u305f\u5834\u5408<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/akibabara.com\/blog\/4958.html\/#toc-3\" >\u5b9f\u9a13\u7d50\u679c\uff08\uff12\uff09 \\A \\z \u3092\u4f7f\u3063\u305f\u5834\u5408<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/akibabara.com\/blog\/4958.html\/#toc-4\" >\u307e\u3068\u3081<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/akibabara.com\/blog\/4958.html\/#toc-5\" >$ \u306f\u672b\u5c3e\u306e\u6539\u884c\u30b3\u30fc\u30c9\u3092\u898b\u9003\u3059\u3001\u3068\u306f\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/akibabara.com\/blog\/4958.html\/#toc-6\" >\u7d50\u8ad6<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"toc\"><\/span>\u4f3c\u3066\u3044\u308b\u3088\u3046\u3067\u5fae\u5999\u306b\u9055\u3046 ^ \\A \u3068 $ \\z<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\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<a rel=\"noreferrer noopener\" aria-label=\"\u4f53\u7cfb\u7684\u306b\u5b66\u3076 \u5b89\u5168\u306aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4f5c\u308a\u65b9 \u7b2c2\u7248 (\u65b0\u3057\u3044\u30bf\u30d6\u3067\u958b\u304f)\" href=\"https:\/\/www.amazon.co.jp\/gp\/product\/B07HHT54YR\/\" target=\"_blank\">\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<p class=\"wp-block-paragraph\">\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<p class=\"wp-block-paragraph\">\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<br>$str = &#8220;abc123\\nXYZ987&#8221;;<br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"toc-2\"><\/span>\u5b9f\u9a13\u7d50\u679c\uff08\uff11\uff09 ^ $ \u3092\u4f7f\u3063\u305f\u5834\u5408<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305a\u306f1\u884c\u76ee\u306e\u6587\u5b57\u5217 abc123 \u306e\u691c\u7d22\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> true  = ereg &#8220;abc123&#8221;<br> true  = preg &#8220;\/abc123\/&#8221;<br> true  = preg &#8220;\/abc123\/s&#8221;<br> true  = preg &#8220;\/abc123\/m&#8221;<br>\u90e8\u5206\u4e00\u81f4\u3002\u666e\u901a\u306b\u30de\u30c3\u30c1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> true  = ereg &#8220;^abc123&#8221;<br> true  = preg &#8220;\/^abc123\/&#8221;<br> true  = preg &#8220;\/^abc123\/s&#8221;<br> true  = preg &#8220;\/^abc123\/m&#8221;<br>^\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<p class=\"wp-block-paragraph\"> false = ereg &#8220;abc123$&#8221;<br> false = preg &#8220;\/abc123$\/&#8221;<br> false = preg &#8220;\/abc123$\/s&#8221;<br> true  = preg &#8220;\/abc123$\/m&#8221;<br>$\u3067\u884c\u672b\u4e00\u81f4\u3002\u3053\u306e\u7d50\u679c\u304b\u3089\u3001\u6539\u884c\u30b3\u30fc\u30c9\u306f\u884c\u672b\u3068\u3057\u3066\u6271\u308f\u308c\u3066\u3044\u306a\u3044\u3088\u3046\u306a\u306e\u3067\u3001<strong>$\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<p class=\"wp-block-paragraph\"> false = ereg &#8220;^abc123$&#8221;<br> false = preg &#8220;\/^abc123$\/&#8221;<br> false = preg &#8220;\/^abc123$\/s&#8221;<br> true  = preg &#8220;\/^abc123$\/m&#8221;<br>^$\u3067\u884c\u982d\u884c\u672b\u4e00\u81f4\u3002\u30de\u30c3\u30c1\u3057\u307e\u305b\u3093\u3002\u4e0a\u8a18\u306e\u7d50\u679c\u3068\u540c\u3058\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \u7d9a\u3044\u3066\u30012\u884c\u76ee\u306e\u6587\u5b57\u5217 XYZ987 \u306e\u691c\u7d22\u306b\u6311\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> true  = ereg &#8220;XYZ987&#8221;<br> true  = preg &#8220;\/XYZ987\/&#8221;<br> true  = preg &#8220;\/XYZ987\/s&#8221;<br> true  = preg &#8220;\/XYZ987\/m&#8221;<br>\u90e8\u5206\u4e00\u81f4\u3002\u6539\u884c\u306e\u3042\u3068\u306e2\u884c\u76ee\u3082\u691c\u7d22\u5bfe\u8c61\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> false = ereg &#8220;^XYZ987&#8221;<br> false = preg &#8220;\/^XYZ987\/&#8221;<br> false = preg &#8220;\/^XYZ987\/s&#8221;<br> true  = preg &#8220;\/^XYZ987\/m&#8221;<br>^\u3067\u884c\u982d\u4e00\u81f4\u30021\u884c\u76ee\u306e\u5834\u5408\u3068\u7d50\u679c\u304c\u5909\u308f\u308a\u307e\u3057\u305f\u30022\u884c\u76ee\u306b\u3042\u308b\u306e\u3067\u300c\u884c\u982d\u300d\u306e\u306f\u305a\u306a\u306e\u3067\u3059\u304c\u30de\u30c3\u30c1\u3057\u307e\u305b\u3093\u3002\u3053\u306e\u7d50\u679c\u304b\u3089\u306f\u3001<strong>^ \u306f\u300c\u884c\u982d\u300d\u3067\u306f\u306a\u304f\u300c\u5148\u982d\u300d\u3067\u30de\u30c3\u30c1\u3059\u308b\u3068\u8003\u3048\u3089\u308c\u307e\u3059<\/strong>\u3002\u306a\u304a\u3001preg\u306e\/m\u3092\u3064\u3051\u308b\u3068\u6539\u884c\u3092\u884c\u982d\u3068\u3057\u3066\u30de\u30c3\u30c1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> true  = ereg &#8220;XYZ987$&#8221;<br> true  = preg &#8220;\/XYZ987$\/&#8221;<br> true  = preg &#8220;\/XYZ987$\/s&#8221;<br> true  = preg &#8220;\/XYZ987$\/m&#8221;<br>$\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<p class=\"wp-block-paragraph\"> false = ereg &#8220;^XYZ987$&#8221;<br> false = preg &#8220;\/^XYZ987$\/&#8221;<br> false = preg &#8220;\/^XYZ987$\/s&#8221;<br> true  = preg &#8220;\/^XYZ987$\/m&#8221;<br>^$\u3067\u884c\u982d\u884c\u672b\u4e00\u81f4\u3002\u3084\u306f\u308a ^ \u306f\u884c\u982d\u3067\u306f\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002preg\u306e\/m\u3092\u3064\u3051\u308b\u3068\u6539\u884c\u3092\u884c\u982d\u3068\u3057\u3066\u30de\u30c3\u30c1\u3057\u307e\u3059\u3002<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> true  = ereg &#8220;^abc123\\nXYZ987$&#8221;<br> true  = preg &#8220;\/^abc123\\nXYZ987$\/&#8221;<br> true  = preg &#8220;\/^abc123\\nXYZ987$\/s&#8221;<br> true  = preg &#8220;\/^abc123\\nXYZ987$\/m&#8221;<br>\u6700\u5f8c\u306b\u6587\u5b57\u5217\u5168\u4f53\u3092\u6bd4\u8f03\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u4eca\u307e\u3067\u306e\u7d50\u679c\u304b\u3089\u3001^\u306f\u5148\u982d\u3001$\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<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"toc-3\"><\/span>\u5b9f\u9a13\u7d50\u679c\uff08\uff12\uff09 \\A \\z \u3092\u4f7f\u3063\u305f\u5834\u5408<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\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<p class=\"wp-block-paragraph\"> true  = preg &#8220;\/abc123\/&#8221;<br> true  = preg &#8220;\/abc123\/s&#8221;<br> true  = preg &#8220;\/abc123\/m&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> true  = preg &#8220;\/\\Aabc123\/&#8221;<br> true  = preg &#8220;\/\\Aabc123\/s&#8221;<br> true  = preg &#8220;\/\\Aabc123\/m&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> false = preg &#8220;\/abc123\\z\/&#8221;<br> false = preg &#8220;\/abc123\\z\/s&#8221;<br> false = preg &#8220;\/abc123\\z\/m&#8221;<br><strong>\\z \u306f\u884c\u672b\u306b\u306f\u30de\u30c3\u30c1\u3057\u307e\u305b\u3093<\/strong>\u3002$ \u3068\u540c\u3058\u7d50\u679c\u3067\u3059\u3002<br>\/m\u306e\u5834\u5408\u3001$\u3067\u306ftrue\u3067\u3057\u305f\u304c\u3001\\z\u3067\u306ffalse\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> false = preg &#8220;\/\\Aabc123\\z\/&#8221;<br> false = preg &#8220;\/\\Aabc123\\z\/s&#8221;<br> false = preg &#8220;\/\\Aabc123\\z\/m&#8221;<br>\/m\u306e\u5834\u5408\u3001$\u3067\u306ftrue\u3067\u3057\u305f\u304c\u3001\\z\u3067\u306ffalse\u306b\u306a\u308a\u307e\u3057\u305f\u3002<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> true  = preg &#8220;\/XYZ987\/&#8221;<br> true  = preg &#8220;\/XYZ987\/s&#8221;<br> true  = preg &#8220;\/XYZ987\/m&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> false = preg &#8220;\/\\AXYZ987\/&#8221;<br> false = preg &#8220;\/\\AXYZ987\/s&#8221;<br> false = preg &#8220;\/\\AXYZ987\/m&#8221;<br><strong>\\A \u306f\u884c\u982d\u306b\u306f\u30de\u30c3\u30c1\u3057\u307e\u305b\u3093<\/strong>\u3002$ \u3068\u540c\u3058\u7d50\u679c\u3067\u3059\u3002<br>\/m\u306e\u5834\u5408\u3001$\u3067\u306ftrue\u3067\u3057\u305f\u304c\u3001\\z\u3067\u306ffalse\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> true  = preg &#8220;\/XYZ987\\z\/&#8221;<br> true  = preg &#8220;\/XYZ987\\z\/s&#8221;<br> true  = preg &#8220;\/XYZ987\\z\/m&#8221;<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> false = preg &#8220;\/\\AXYZ987\\z\/&#8221;<br> false = preg &#8220;\/\\AXYZ987\\z\/s&#8221;<br> false = preg &#8220;\/\\AXYZ987\\z\/m&#8221;<br>\/m\u306e\u5834\u5408\u3001$\u3067\u306ftrue\u3067\u3057\u305f\u304c\u3001\\z\u3067\u306ffalse\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> true  = preg &#8220;\/\\Aabc123\\nXYZ987\\z\/&#8221;<br> true  = preg &#8220;\/\\Aabc123\\nXYZ987\\z\/s&#8221;<br> true  = preg &#8220;\/\\Aabc123\\nXYZ987\\z\/m&#8221;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"toc-4\"><\/span>\u307e\u3068\u3081<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">preg\u95a2\u6570\u306e\u4fee\u98fe\u5b50\u306a\u3057\u306e\u5834\u5408\u3001<br>^ \u306f\u884c\u982d\u3067\u306f\u306a\u304f\u3001\u6587\u5b57\u5217\u306e\u5148\u982d\u306b\u30de\u30c3\u30c1\u3059\u308b\u3002<br>$ \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<p class=\"wp-block-paragraph\">\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<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"toc-5\"><\/span>$ \u306f\u672b\u5c3e\u306e\u6539\u884c\u30b3\u30fc\u30c9\u3092\u898b\u9003\u3059\u3001\u3068\u306f\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u307b\u3069\u306e\u672c\uff08Web\u30da\u30fc\u30b8\u306f<a rel=\"noreferrer noopener\" aria-label=\"\u3053\u3061\u3089 (\u65b0\u3057\u3044\u30bf\u30d6\u3067\u958b\u304f)\" href=\"https:\/\/blog.tokumaru.org\/2014\/03\/z.html\" target=\"_blank\">\u3053\u3061\u3089<\/a>\uff09\u306b<strong>\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<p class=\"wp-block-paragraph\">\u672b\u5c3e\u306b\u6539\u884c\u30b3\u30fc\u30c9\u3002\u3000$str = &#8220;abc123\\n&#8221;;\u3000\u306e\u5834\u5408<br> false = ereg &#8220;^abc123$&#8221;<br> true  = preg &#8220;\/^abc123$\/&#8221;<br> true  = preg &#8220;\/^abc123$\/s&#8221;<br> true  = preg &#8220;\/^abc123$\/m&#8221;<br> false = preg &#8220;\/\\Aabc123\\z\/&#8221;<br> false = preg &#8220;\/\\Aabc123\\z\/s&#8221;<br> false = preg &#8220;\/\\Aabc123\\z\/m&#8221;<br><strong>preg\u306e\u5834\u5408\u3001\u672b\u5c3e\u306f\u6539\u884c\u30b3\u30fc\u30c9\u306e\u306f\u305a\u306a\u306e\u306b\u3001$ \u3067\u30de\u30c3\u30c1\u3057\u3066\u3057\u307e\u3063\u3066\u3044\u307e\u3059\uff01<\/strong><br>ereg\u306e\u5834\u5408\u306f\u6b63\u5e38\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u982d\u306b\u6539\u884c\u30b3\u30fc\u30c9\u3002\u3000$str = &#8220;\\nabc123&#8221;;\u3000\u306e\u5834\u5408<br> false = ereg &#8220;^abc123$&#8221;<br> false = preg &#8220;\/^abc123$\/&#8221;<br> false = preg &#8220;\/^abc123$\/s&#8221;<br> true  = preg &#8220;\/^abc123$\/m&#8221;<br> false = preg &#8220;\/\\Aabc123\\z\/&#8221;<br> false = preg &#8220;\/\\Aabc123\\z\/s&#8221;<br> false = preg &#8220;\/\\Aabc123\\z\/m&#8221;<br>^ \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<p class=\"wp-block-paragraph\">\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<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"toc-6\"><\/span>\u7d50\u8ad6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">^ \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":"<p>\u4f3c\u3066\u3044\u308b\u3088\u3046\u3067\u5fae\u5999\u306b\u9055\u3046 ^ \\A \u3068 $ \\z \u6b63\u898f\u8868\u73fe\u3067\u5148\u982d\u610f\u5473\u3059\u308b\u306e\u306f ^ \u3001\u672b\u5c3e\u306f \u2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[103,108,109],"class_list":["post-4958","post","type-post","status-publish","format-standard","category-other-topic","tag-php","tag-preg","tag-109","three-column","ar-three-column","au-three-column"],"_links":{"self":[{"href":"https:\/\/akibabara.com\/blog\/wp-json\/wp\/v2\/posts\/4958","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/akibabara.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/akibabara.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/akibabara.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/akibabara.com\/blog\/wp-json\/wp\/v2\/comments?post=4958"}],"version-history":[{"count":5,"href":"https:\/\/akibabara.com\/blog\/wp-json\/wp\/v2\/posts\/4958\/revisions"}],"predecessor-version":[{"id":4963,"href":"https:\/\/akibabara.com\/blog\/wp-json\/wp\/v2\/posts\/4958\/revisions\/4963"}],"wp:attachment":[{"href":"https:\/\/akibabara.com\/blog\/wp-json\/wp\/v2\/media?parent=4958"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/akibabara.com\/blog\/wp-json\/wp\/v2\/categories?post=4958"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/akibabara.com\/blog\/wp-json\/wp\/v2\/tags?post=4958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}