{"id":1705,"date":"2018-01-09T22:53:03","date_gmt":"2018-01-10T03:53:03","guid":{"rendered":"https:\/\/www.a2life.info\/w\/?p=1705"},"modified":"2018-01-09T23:24:42","modified_gmt":"2018-01-10T04:24:42","slug":"string-replace%e3%81%a7%e7%9f%a5%e3%82%89%e3%81%aa%e3%81%8b%e3%81%a3%e3%81%9f%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/www.a2life.info\/w\/?p=1705","title":{"rendered":"String.replace\u3067\u77e5\u3089\u306a\u304b\u3063\u305f\u4ef6"},"content":{"rendered":"<p>User \u304c\u30ce\u30fc\u30c8\u6b04\u306b\u3084\u305f\u3089\u9577\u3044\u30ea\u30f3\u30af\u5148\u3092\u305d\u306e\u307e\u307e\u5f35\u308a\u4ed8\u3051\u3066\u3001SharePoint\u306e\u30ea\u30b9\u30c8\u306e\u8868\u793a\u304c\u8457\u3057\u304f\u640d\u306a\u308f\u308c\u308b\u3068\u3044\u3046\u73fe\u8c61\u304c\u81ea\u5206\u306e\u7ba1\u7406\u3059\u308b\u30b5\u30a4\u30c8\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3067\u4f55\u4ef6\u304b\u767a\u751f\u3057\u3066\u3044\u308b\u3002\u3000\u30e6\u30fc\u30b6\u30fc\u6559\u80b2\u3092\u884c\u3063\u3066\u30ea\u30f3\u30af\u306e\u8aac\u660e\u3092\u5225\u9014\u77ed\u6587\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3001\u3068\u3044\u3046\u306e\u306f\u7c21\u5358\u3060\u304c\u3001\u3060\u307e\u3063\u3066\u5f93\u3063\u3066\u304f\u308c\u308b\u3088\u3046\u306a\u5f93\u696d\u54e1\u3070\u304b\u308a\u3067\u306f\u306a\u3044\u3002\u3000\u305d\u3053\u3067\u9577\u3044\u30ea\u30f3\u30af\u3092\u898b\u3064\u3051\u305f\u3089\u5f37\u5236\u7684\u306b\u77ed\u3044\u6587\u5b57\u5217\u306b\u7f6e\u304d\u63db\u3048\u3066\u3057\u307e\u3046\u3001\u3068\u3044\u3046\u4ed5\u639b\u3051\u3092JavaScript\u3067\u66f8\u3044\u3066\u3057\u307e\u3048\u3070\u3088\u3044\u306e\u3060\u3068\u601d\u3044\u3064\u304d\u3001\u3000\u8a66\u3057\u3066\u307f\u305f\u3002\u3000\u7d50\u679c\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u95a2\u6570\u3092\u8a18\u8ff0\u3057\u3001\u3053\u308c\u3092\u63cf\u753b\u6642\u306b\u547c\u3073\u51fa\u3059\u5f62\u3067\u89e3\u6c7a\u3057\u305f\u3002<\/p>\n<pre>function shortenAnchor(text) {\r\n\r\n    if (text===null) {\r\n        return \"\";\r\n    }\r\n    let testPattern = \/(&lt;a.*?href=.+?&gt;)(.*?)(&lt;\\\/a?&gt;)\/g;\r\n\r\n    function replacer(match, p1, p2, p3) {\r\n        if((p2.length)&gt;30) {\r\n            p2 = p2.slice(0, 25) + '...';\r\n        }\r\n        return [p1, p2, p3].join('');\r\n    }\r\n\r\n    return text.replace(testPattern, replacer);\r\n}\r\n<\/pre>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u3067\u4f55\u3092\u3084\u3063\u3066\u3044\u308b\u304b\u3002\u3000\u307e\u305atestPattern\u3092\u6b63\u898f\u8868\u73fe\uff08RegExp)\u3067\u8a18\u8ff0\u3059\u308b\u3002\u3000RegExp\u3067\u3000a tag elements \u3092\u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u30c8\u30e9\u30c3\u30d7\u3059\u308b\u3002\u30c8\u30e9\u30c3\u30d7\u3057\u305f\u30a8\u30ec\u30e1\u30f3\u30c8\u306f\u30bf\u30b0\u306e\u524d\u306e\u90e8\u5206\u3001\u4e2d\u8eab\u306e\u30c6\u30ad\u30b9\u30c8\u90e8\u5206\u3001\u30bf\u30b0\u306e\u5f8c\u308d\u306e\u90e8\u5206\u306b\u30b0\u30eb\u30fc\u30d7\u308f\u3051\u3055\u308c\u3001\u305d\u308c\u305e\u308c\u306e\u6587\u5b57\u5217\u306f$1,$2,$3\u3068\u3057\u3066\u5229\u7528\u53ef\u80fd\u306b\u306a\u308b\u3002\uff08 a tag element \u5168\u4f53\u306e\u30de\u30c3\u30c1\u306f$&#038;\uff09\u3002\u3000\u305d\u3057\u3066\u3001\u3042\u3068\u306f\u3000String.replace\u3092\u4f7f\u3063\u3066\u30de\u30b8\u30c3\u30af\u3092\u304a\u3053\u3059\u308f\u3051\u3060\u304c\u3001Implementation\u3092\u8a66\u884c\u932f\u8aa4\u3057\u3066\u3044\u308b\u6700\u4e2d\u306b\u3000\u4e8c\u3064\u76ee\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u304c\u5b9f\u306f\u95a2\u6570\u3067\u3082\u3088\u3044\u306e\u3060\u3001\u3068\u3044\u3046\u306e\u3092\u672c\u65e5\u521d\u3081\u3066\u77e5\u3063\u305f\u308f\u3051\u3067\u3001\u305d\u308c\u3092\u4f7f\u3063\u3066\u3046\u307e\u304f\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u305f\u3002\u3000\u3053\u3053\u306b\u95a2\u6570\u3092\u4f7f\u3046\u3068\u3001\u4ee5\u4e0b\u306e\u5f15\u6570\u304c\u3000\u3053\u306e\u9806\u756a\u3067\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308b\u3002\u3000\u307e\u305a\u306f\u3000TestPattern\u305d\u306e\u3082\u306e\u306e\u30de\u30c3\u30c1\u3000$&#038;,\u3000\u305d\u308c\u305e\u308c\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3057\u305f\u90e8\u5206\u306e\u30de\u30c3\u30c1 $1,$2,$3\u3002\u3000\u3088\u3063\u3066\u3000match,p1,p2,p3\u3068\u3057\u3066\u5229\u7528\u53ef\u80fd\u306b\u3057\u3066\u304a\u304f\u3002\u5b9f\u306f\u3053\u306e\u5f8c\u308d\u306bIndex\u306a\u3069\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3082\u7d9a\u304f\u306e\u304c\u3001\u4eca\u56de\u306f\u5fc5\u8981\u304c\u306a\u3044\u306e\u3067\u7121\u8996\u3002\u3000<br \/>\n\u3053\u306e\u3000replacer \u3068\u3044\u3046\u95a2\u6570\u3067\u306f\u3053\u306e\u4e2d\u8eab\u306e\u6587\u5b57\u5217$2(p2)\u306e\u9577\u3055\u304c30\u6587\u5b57\u4ee5\u4e0a\u3042\u3063\u305f\u5834\u5408\u3001\u6700\u521d\u306e25\u6587\u5b57\u4ee5\u4e0b\u3092\u5207\u308a\u6368\u3066\u70b9\u4e09\u3064&#8230;\u3092\u6700\u5f8c\u306b\u8ffd\u52a0\u3059\u308b\u3068\u3044\u3046\u3082\u306e\u3002\u3000\u3053\u306e\u95a2\u6570\u81ea\u4f53\u3092\u4e8c\u3064\u76ee\u306e\u5f15\u6570\u3068\u3057\u3066\u4f7f\u3046\u3002\u3000Test\u3057\u3066\u307f\u305f\u3089\u4e00\u767a\u3067\u5b8c\u52d5\u3057\u305f\u306e\u3067\u611f\u52d5\uff08\u304a\u3084\u3058\u30ae\u30e3\u30b0\u3067\u3059\uff09<\/p>\n<p>\u666e\u901a\u306fString.replace\u3068\u3044\u3046\u3068<\/p>\n<pre>\r\n\"this is a pen\".replace(\"this\",\"that\") \/\/=>\"that is a pen\"\r\n<\/pre>\n<p>\u3068\u3044\u3046\u7c21\u5358\u306a\u4f7f\u3044\u65b9\u306f\u77e5\u3063\u3066\u3044\u305f\u3057\u3001\u3000\u6700\u521d\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u6b63\u898f\u8868\u73fe\u306b\u3059\u308c\u3070 $&#038; $1 etc., \u306a\u3069\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u3063\u3066\u304b\u306a\u308a\u67d4\u8edf\u306a\u7f6e\u304d\u63db\u3048\u306a\u3069\u304c\u3067\u304d\u308b\u3053\u3068\u3082\u77e5\u3063\u3066\u3044\u3066\u4f7f\u3063\u3066\u306f\u3044\u305f\u306e\u3060\u304c\u3001\u307e\u3055\u304b\u95a2\u6570\u307e\u3067\u4f7f\u3048\u308b\u3068\u306f\u601d\u3063\u3066\u3044\u306a\u304b\u3063\u305f\u3002\u3000\u3053\u308c\u306f\u7d20\u6674\u3089\u3057\u3044\u3001\u3068\u601d\u3063\u305f\u6b21\u7b2c<\/p>\n","protected":false},"excerpt":{"rendered":"<p>User \u304c\u30ce\u30fc\u30c8\u6b04\u306b\u3084\u305f\u3089\u9577\u3044\u30ea\u30f3\u30af\u5148\u3092\u305d\u306e\u307e\u307e\u5f35\u308a\u4ed8\u3051\u3066\u3001SharePoint\u306e\u30ea\u30b9\u30c8\u306e\u8868\u793a\u304c\u8457\u3057\u304f\u640d\u306a\u308f\u308c\u308b\u3068\u3044\u3046\u73fe\u8c61\u304c\u81ea\u5206\u306e\u7ba1\u7406\u3059\u308b\u30b5\u30a4\u30c8\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3067\u4f55\u4ef6\u304b\u767a\u751f\u3057\u3066\u3044\u308b\u3002\u3000\u30e6\u30fc\u30b6\u30fc\u6559\u80b2\u3092\u884c\u3063\u3066\u30ea\u30f3\u30af\u306e\u8aac\u660e\u3092\u5225\u9014\u77ed\u6587\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3001\u3068\u3044\u3046\u306e\u306f\u7c21\u5358\u3060\u304c\u3001\u3060\u307e\u3063\u3066\u5f93\u3063\u3066\u304f\u308c\u308b\u3088\u3046\u306a\u5f93\u696d\u54e1\u3070\u304b\u308a\u3067\u306f\u306a\u3044\u3002\u3000\u305d\u3053\u3067\u9577\u3044\u30ea\u30f3\u30af\u3092\u898b\u3064\u3051\u305f\u3089\u5f37\u5236\u7684\u306b\u77ed\u3044\u6587\u5b57\u5217\u306b\u7f6e\u304d\u63db\u3048\u3066\u3057\u307e\u3046\u3001\u3068\u3044\u3046\u4ed5\u639b\u3051\u3092JavaScript\u3067\u66f8\u3044\u3066\u3057\u307e\u3048\u3070\u3088\u3044\u306e\u3060\u3068\u601d\u3044\u3064\u304d\u3001\u3000\u8a66\u3057\u3066\u307f\u305f\u3002\u3000\u7d50\u679c\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u95a2\u6570\u3092\u8a18\u8ff0\u3057\u3001\u3053\u308c\u3092\u63cf\u753b\u6642\u306b\u547c\u3073\u51fa\u3059\u5f62\u3067\u89e3\u6c7a\u3057\u305f\u3002 function shortenAnchor(text) { if (text===null) { return &#8220;&#8221;; } let testPattern = \/(&lt;a.*?href=.+?&gt;)(.*?)(&lt;\\\/a?&gt;)\/g; function replacer(match, p1, p2, p3) { if((p2.length)&gt;30) { p2 = p2.slice(0, 25) + &#8216;&#8230;&#8217;; } return [p1, p2, p3].join(&#8221;); } return text.replace(testPattern, replacer); } \u3053\u306e\u30b3\u30fc\u30c9\u3067\u4f55\u3092\u3084\u3063\u3066\u3044\u308b\u304b\u3002\u3000\u307e\u305atestPattern\u3092\u6b63\u898f\u8868\u73fe\uff08RegExp)\u3067\u8a18\u8ff0\u3059\u308b\u3002\u3000RegExp\u3067\u3000a tag elements \u3092\u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u30c8\u30e9\u30c3\u30d7\u3059\u308b\u3002\u30c8\u30e9\u30c3\u30d7\u3057\u305f\u30a8\u30ec\u30e1\u30f3\u30c8\u306f\u30bf\u30b0\u306e\u524d\u306e\u90e8\u5206\u3001\u4e2d\u8eab\u306e\u30c6\u30ad\u30b9\u30c8\u90e8\u5206\u3001\u30bf\u30b0\u306e\u5f8c\u308d\u306e\u90e8\u5206\u306b\u30b0\u30eb\u30fc\u30d7\u308f\u3051\u3055\u308c\u3001\u305d\u308c\u305e\u308c\u306e\u6587\u5b57\u5217\u306f$1,$2,$3\u3068\u3057\u3066\u5229\u7528\u53ef\u80fd\u306b\u306a\u308b\u3002\uff08 a tag element \u5168\u4f53\u306e\u30de\u30c3\u30c1\u306f$&#038;\uff09\u3002\u3000\u305d\u3057\u3066\u3001\u3042\u3068\u306f\u3000String.replace\u3092\u4f7f\u3063\u3066\u30de\u30b8\u30c3\u30af\u3092\u304a\u3053\u3059\u308f\u3051\u3060\u304c\u3001Implementation\u3092\u8a66\u884c\u932f\u8aa4\u3057\u3066\u3044\u308b\u6700\u4e2d\u306b\u3000\u4e8c\u3064\u76ee\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u304c\u5b9f\u306f\u95a2\u6570\u3067\u3082\u3088\u3044\u306e\u3060\u3001\u3068\u3044\u3046\u306e\u3092\u672c\u65e5\u521d\u3081\u3066\u77e5\u3063\u305f\u308f\u3051\u3067\u3001\u305d\u308c\u3092\u4f7f\u3063\u3066\u3046\u307e\u304f\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u305f\u3002\u3000\u3053\u3053\u306b\u95a2\u6570\u3092\u4f7f\u3046\u3068\u3001\u4ee5\u4e0b\u306e\u5f15\u6570\u304c\u3000\u3053\u306e\u9806\u756a\u3067\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308b\u3002\u3000\u307e\u305a\u306f\u3000TestPattern\u305d\u306e\u3082\u306e\u306e\u30de\u30c3\u30c1\u3000$&#038;,\u3000\u305d\u308c\u305e\u308c\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3057\u305f\u90e8\u5206\u306e\u30de\u30c3\u30c1 $1,$2,$3\u3002\u3000\u3088\u3063\u3066\u3000match,p1,p2,p3\u3068\u3057\u3066\u5229\u7528\u53ef\u80fd\u306b\u3057\u3066\u304a\u304f\u3002\u5b9f\u306f\u3053\u306e\u5f8c\u308d\u306bIndex\u306a\u3069\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3082\u7d9a\u304f\u306e\u304c\u3001\u4eca\u56de\u306f\u5fc5\u8981\u304c\u306a\u3044\u306e\u3067\u7121\u8996\u3002\u3000 \u3053\u306e\u3000replacer \u3068\u3044\u3046\u95a2\u6570\u3067\u306f\u3053\u306e\u4e2d\u8eab\u306e\u6587\u5b57\u5217$2(p2)\u306e\u9577\u3055\u304c30\u6587\u5b57\u4ee5\u4e0a\u3042\u3063\u305f\u5834\u5408\u3001\u6700\u521d\u306e25\u6587\u5b57\u4ee5\u4e0b\u3092\u5207\u308a\u6368\u3066\u70b9\u4e09\u3064&#8230;\u3092\u6700\u5f8c\u306b\u8ffd\u52a0\u3059\u308b\u3068\u3044\u3046\u3082\u306e\u3002\u3000\u3053\u306e\u95a2\u6570\u81ea\u4f53\u3092\u4e8c\u3064\u76ee\u306e\u5f15\u6570\u3068\u3057\u3066\u4f7f\u3046\u3002\u3000Test\u3057\u3066\u307f\u305f\u3089\u4e00\u767a\u3067\u5b8c\u52d5\u3057\u305f\u306e\u3067\u611f\u52d5\uff08\u304a\u3084\u3058\u30ae\u30e3\u30b0\u3067\u3059\uff09 \u666e\u901a\u306fString.replace\u3068\u3044\u3046\u3068 &#8220;this is a pen&#8221;.replace(&#8220;this&#8221;,&#8221;that&#8221;) \/\/=>&#8221;that is a pen&#8221; \u3068\u3044\u3046\u7c21\u5358\u306a\u4f7f\u3044\u65b9\u306f\u77e5\u3063\u3066\u3044\u305f\u3057\u3001\u3000\u6700\u521d\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u6b63\u898f\u8868\u73fe\u306b\u3059\u308c\u3070 $&#038; $1 etc., 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