\u3010JavaScript\u5165\u9580\u30114\u3064\u306e\u30d1\u30bf\u30fc\u30f3\u3067\u7406\u89e3\u3059\u308b\u6b63\u898f\u8868\u73fe\u306e\u4f7f\u3044\u65b9\u307e\u3068\u3081\uff01<\/div>\n
\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/a>\n \n
\u308f\u305a\u304b12\u500b\u306e\u7279\u6b8a\u6587\u5b57\u3092\u899a\u3048\u308b\u3060\u3051\u3067\u3001\u4eca\u3059\u3050\u6b63\u898f\u8868\u73fe\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u306e\u3067\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n
\u300creplace()\u300d\u306b\u6b63\u898f\u8868\u73fe\u3092\u4f7f\u3046\u5834\u5408\u306f\u3001\u3010replace( \u6b63\u898f\u8868\u73fe, \u7f6e\u63db\u6587\u5b57 )\u3011\u306e\u3088\u3046\u306b\u7b2c1\u5f15\u6570\u306b\u7d44\u307f\u8fbc\u3093\u3067\u3044\u304d\u307e\u3059\u3002<\/p>\n
\u6b21\u306e\u30b5\u30f3\u30d7\u30eb\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n
var str = 'user-200, user-15, user-4505';\r\n\r\n\/\/ \u6b63\u898f\u8868\u73fe\u306b\u3088\u308b\u6307\u5b9a\r\nvar result = str.replace(\/user-\\d\\d,\/, 'user-001,');\r\n\r\nconsole.log( result );<\/pre>\n\u5b9f\u884c\u7d50\u679c<\/p>\n
user-200, user-001, user-4505<\/pre>\n\u3053\u306e\u4f8b\u3067\u306f\u3001\u6587\u5b57\u5217\u306e\u4e2d\u304b\u3089\u300cuser-\u300d\u306b\u7d9a\u3044\u30662\u6841\u306e\u6570\u5b57\u3092\u6301\u3064\u30e6\u30fc\u30b6\u30fc\u540d\u3092\u62bd\u51fa\u3057\u3066\u7f6e\u63db\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u6b63\u898f\u8868\u73fe\u3067\u300cuser-\\d\\d,\u300d\u3068\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u6570\u50242\u6841\u3068\u300c,\uff08\u30ab\u30f3\u30de\uff09\u300d\u3092\u6301\u3064\u30e6\u30fc\u30b6\u30fc\u540d\u3092\u691c\u7d22\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u3088\u3046\u306b\u3001replace()\u306f\u7c21\u5358\u306b\u6b63\u898f\u8868\u73fe\u3092\u5229\u7528\u3067\u304d\u308b\u6a5f\u80fd\u304c\u5099\u308f\u3063\u3066\u3044\u308b\u3068\u3044\u3046\u70b9\u3092\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n
\u8907\u6570\u306e\u6587\u5b57\u5217\u3092\u6b63\u898f\u8868\u73fe\u3067\u7f6e\u63db\u3059\u308b\u65b9\u6cd5<\/h3>\n
\u3055\u3066\u3001\u4eca\u5ea6\u306f\u8907\u6570\u306e\u6587\u5b57\u5217\u3092\u6b63\u898f\u8868\u73fe\u3092\u4f7f\u3063\u3066\u7f6e\u63db\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n
\u6b63\u898f\u8868\u73fe\u3067\u306f\u300c\u30d5\u30e9\u30b0\u300d\u3068\u547c\u3070\u308c\u308b\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u7c21\u5358\u306b\u8907\u6570\u6587\u5b57\u5217\u306b\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u8a18\u8ff0\u65b9\u6cd5\u306f\u7c21\u5358\u3067\u3010 \/\u6b63\u898f\u8868\u73fe\/g \u3011\u306e\u3088\u3046\u306b\u6b63\u898f\u8868\u73fe\u306e\u3042\u3068\u306b\u300cg\u300d\u3092\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n
\u6b21\u306e\u30b5\u30f3\u30d7\u30eb\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n
var str = 'user_1, user_2, user_3';\r\n\r\n\/\/ \u6b63\u898f\u8868\u73fe\u306b\u300cg\u300d\u30d5\u30e9\u30b0\u3092\u8ffd\u52a0\r\nvar result = str.replace(\/_\/g, '-');\r\n\r\nconsole.log( result );<\/pre>\n\u5b9f\u884c\u7d50\u679c<\/p>\n
user-1, user-2, user-3<\/pre>\n\u300cg\u300d\u30d5\u30e9\u30b0\u3092\u4ed8\u4e0e\u3059\u308b\u3053\u3068\u3067\u3001\u3059\u3079\u3066\u306e\u300c _ \u300d\u304c\u300c – \u300d\u306b\u7f6e\u63db\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u5206\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n
\u524d\u7ae0\u306e\u300cwhile\u6587\u300d\u3092\u4f7f\u3063\u305f\u4f8b\u3088\u308a\u3082\u305a\u3063\u3068\u30b7\u30f3\u30d7\u30eb\u3067\u52b9\u7387\u306e\u826f\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u306a\u3063\u305f\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\uff01<\/p>\n
\u7279\u6b8a\u6587\u5b57\u3092\u4f7f\u3063\u305f\u7f6e\u63db\u30d1\u30bf\u30fc\u30f3\u306e\u4f7f\u3044\u65b9<\/h3>\n
\u300creplace()\u300d\u306f\u3001\u7279\u6b8a\u6587\u5b57\u3068\u6b63\u898f\u8868\u73fe\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u3055\u3089\u306b\u7f6e\u63db\u3092\u52b9\u7387\u5316\u3067\u304d\u308b<\/b>\u306e\u3067\u5408\u308f\u305b\u3066\u7d39\u4ecb\u3057\u3066\u304a\u304d\u307e\u3059\uff01<\/p>\n
\u4f8b\u3048\u3070\u3001\u6b63\u898f\u8868\u73fe\u306e( )\u3092\u4f7f\u3063\u3066\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u3068\u3001\u5bfe\u8c61\u306e\u6587\u5b57\u3092\u300c$1\u300d\u300c$2\u300d\u3068\u3044\u3046\u6587\u5b57\u5217\u3067\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u6b21\u306e\u4f8b\u306f\u3001\u6b63\u898f\u8868\u73fe\u306e\u30b0\u30eb\u30fc\u30d7\u5316\u3092\u5229\u7528\u3057\u3066\u300c\u6027\u300d\u300c\u540d\u300d\u3092\u53cd\u5bfe\u306b\u7f6e\u63db\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
var str = 'Sato Taro';\r\nvar result = str.replace( \/(\\w+)\\s(\\w+)\/, '$2 $1' );\r\n\r\nconsole.log( result );<\/pre>\n\u5b9f\u884c\u7d50\u679c<\/p>\n
Taro Sato<\/pre>\n\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u3068\u3001\u300cSato\u300d\u304c\u300c$1\u300d\u306b\u4ee3\u5165\u3055\u308c\u300cTaro\u300d\u304c\u300c$2\u300d\u306b\u4ee3\u5165\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u305d\u306e\u305f\u3081\u3001\u7f6e\u63db\u3059\u308b\u6587\u5b57\u3092\u300c\u2019$2 $1\u2019\u300d\u3068\u53cd\u5bfe\u306b\u8a18\u8ff0\u3059\u308c\u3070\u300c\u59d3\u30fb\u540d\u300d\u3082\u53cd\u5bfe\u306b\u306a\u308b\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u3002<\/p>\n
\u307e\u305f\u3001\u7279\u6b8a\u6587\u5b57\u300c$&\u300d\u3092\u5229\u7528\u3059\u308b\u3068\u4e00\u81f4\u3057\u305f\u5bfe\u8c61\u6587\u5b57\u3092\u62bd\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u7279\u5b9a\u306e\u6587\u5b57\u5217\u306b\u307e\u3068\u3081\u3066\u7f6e\u63db\u3057\u305f\u3044\u5834\u5408\u306b\u5f79\u7acb\u3061\u307e\u3059\uff01<\/p>\n
var str = 'a, div, p';\r\nvar result = str.replace( \/(a|p|div)\/g, '<$&>' );\r\n\r\nconsole.log( result );<\/pre>\n\u5b9f\u884c\u7d50\u679c<\/p>\n
<a>, <div>, <p><\/pre>\n\u3053\u306e\u4f8b\u3067\u306f\u3001\u6b63\u898f\u8868\u73fe\u3067\u300ca\u300d\u300cdiv\u300d\u300cp\u300d\u3092\u691c\u7d22\u3057\u3066\u300c$&\u300d\u3067\u305d\u308c\u305e\u308c\u306e\u6587\u5b57\u5217\u3092\u62bd\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u305d\u3057\u3066\u3001\u305d\u308c\u305e\u308c\u306e\u6587\u5b57\u3092\u300c<$&>\u300d\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u3001HTML\u306e\u30bf\u30b0\u306b\u7f6e\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u308f\u3051\u3067\u3059\uff01<\/p>\n
\u300creplace\u300d\u306e\u6d3b\u7528\u4e8b\u4f8b<\/h2>\n
\u3053\u306e\u7ae0\u3067\u306f\u3001replace\u3092\u6d3b\u7528\u3057\u305f\u5b9f\u8df5\u7684\u306a\u7f6e\u63db\u624b\u6cd5\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n
\u4e3b\u306b\u3001\u6539\u884c\u30b3\u30fc\u30c9\u30fb\u7a7a\u767d\u30fb\u30c0\u30d6\u30eb\u30af\u30aa\u30fc\u30c8\u306b\u95a2\u9023\u3057\u305f\u7f6e\u63db\u306b\u3064\u3044\u3066\u5b66\u3093\u3067\u3044\u304d\u307e\u3059\u3002<\/p>\n
\u6539\u884c\u30b3\u30fc\u30c9\u3092\u300c<br>\u300d\u306b\u7f6e\u63db\u3059\u308b\u65b9\u6cd5<\/h3>\n
\u307e\u305a\u306f\u3001\u6539\u884c\u30b3\u30fc\u30c9\u3092\u6271\u3063\u305f\u7f6e\u63db\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n
\u6539\u884c\u30b3\u30fc\u30c9\u306f\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u306b\u542b\u307e\u308c\u3066\u3044\u305f\u308a\u3001HTML\u306e\u5165\u529b\u30dc\u30c3\u30af\u30b9\u306a\u3069\u304b\u3089\u6587\u5b57\u5217\u3092\u53d6\u5f97\u3059\u308b\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3067\u6271\u3046\u5834\u5408\u304c\u591a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n
\u6539\u884c\u30b3\u30fc\u30c9\u3092\u4f55\u3089\u304b\u306e\u6587\u5b57\u5217\u306b\u7f6e\u63db\u3059\u308b\u7c21\u5358\u306a\u65b9\u6cd5\u306f\u300c\u6b63\u898f\u8868\u73fe\u300d\u3092\u4f7f\u3063\u3066\u62bd\u51fa\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001\u6b21\u306e\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n
text.replace(\/\\r?\\n\/g, '<br>');\r\n<\/pre>\n\u300ctext\u300d\u306b\u6539\u884c\u30b3\u30fc\u30c9\u4ed8\u304d\u306e\u6587\u5b57\u5217\u304c\u3042\u308b\u3068\u3057\u3066\u3001replace\u306b\u6b63\u898f\u8868\u73fe\u3067\u300c\/\\r?\\n\/g\u300d\u3068\u8a18\u8ff0\u3059\u308c\u3070\u6539\u884c\u30b3\u30fc\u30c9\u3092\u62bd\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u4f8b\u3067\u306f\u3001\u6539\u884c\u30b3\u30fc\u30c9\u3092\u300c<br>\u300d\u306b\u7f6e\u63db\u3057\u3066\u3044\u307e\u3059\u306d\u3002<\/p>\n
\u7a7a\u767d\u3092\u3059\u3079\u3066\u524a\u9664\u3059\u308b\u65b9\u6cd5<\/h3>\n
\u6b21\u306b\u3001\u6587\u5b57\u5217\u306e\u4e2d\u306b\u7a7a\u767d\uff08\u30db\u30ef\u30a4\u30c8\u30b9\u30da\u30fc\u30b9\uff09\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u3001\u305d\u306e\u7a7a\u767d\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n
\u8003\u3048\u65b9\u3068\u3057\u3066\u306f\u3001\u7a7a\u767d\u3092\u300c\u7a7a\u6587\u5b57\u300d\u306b\u7f6e\u63db\u3059\u308b\u3060\u3051\u3067\u3059\uff01<\/p>\n
\u4f8b\u3048\u3070\u3001\u6b21\u306e\u30b5\u30f3\u30d7\u30eb\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
var str = '\u3042\u3000 \u3044\u3046 \u3000\u3048 \u304a \u304b\u304d\u3000\u304f \u3051 \u3053';\r\n \r\nstr.replace(\/\\s+\/g, '');\r\n<\/pre>\n\u3053\u306e\u4f8b\u3067\u306f\u3001\u534a\u89d2\u30fb\u5168\u89d2\u306e\u7a7a\u767d\u3084\u30bf\u30d6\u306a\u3069\u304c\u6587\u5b57\u5217\u306b\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u6587\u5b57\u5217\u306b\u5bfe\u3057\u3066\u3001\u6b63\u898f\u8868\u73fe\u3067\u300c\\s+\u300d\u3068\u8a18\u8ff0\u3059\u308c\u3070\u9023\u7d9a\u3059\u308b\u7a7a\u767d\u3082\u542b\u3081\u3066\u3059\u3079\u3066\u7a7a\u6587\u5b57\u306b\u7f6e\u63db\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u305d\u306e\u305f\u3081\u3001\u6700\u7d42\u7684\u306b\u306f\u7a7a\u767d\u306e\u7121\u3044\u304d\u308c\u3044\u306a\u6587\u5b57\u5217\u3060\u3051\u304c\u6b8b\u308b\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u3002<\/p>\n
\u30c0\u30d6\u30eb\u30af\u30aa\u30fc\u30c8\u3092\u7f6e\u63db\u3059\u308b\u65b9\u6cd5<\/h3>\n
\u4eca\u5ea6\u306f\u3001\u300c\u201d \u201d\uff08\u30c0\u30d6\u30eb\u30af\u30aa\u30fc\u30c8\uff09\u300d\u306e\u7f6e\u63db\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01\uff08\u3053\u308c\u306f\u300c\u2019 \u2019\uff08\u30b7\u30f3\u30b0\u30eb\u30af\u30aa\u30fc\u30c8\uff09\u300d\u3082\u540c\u69d8\u3067\u3059\uff09<\/p>\n
\u57fa\u672c\u7684\u306b\u306f\u666e\u901a\u306b\u7f6e\u63db\u3092\u3059\u308c\u3070\u826f\u3044\u306e\u3067\u3059\u304c\u3001replace()\u306e\u7b2c2\u5f15\u6570\u306e\u8a2d\u5b9a\u65b9\u6cd5\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
\u6b21\u306e\u30b5\u30f3\u30d7\u30eb\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n
var str = '\u3042\u3044\u3046\"\u3048\"\u304a';\r\n\r\nvar r = str.replace(\/\"\/g, \"'\");\r\n<\/pre>\n\u3053\u306e\u4f8b\u3067\u306f\u3001\u6587\u5b57\u5217\u306b\u300c” “\u300d\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u306e\u304c\u5206\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n
\u30c0\u30d6\u30eb\u30af\u30aa\u30fc\u30c8\u3092\u62bd\u51fa\u3059\u308b\u306e\u306f\u300c\/”\/g\u300d\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308c\u3070\u826f\u3044\u306e\u3067\u3059\u304c\u3001\u7b2c2\u5f15\u6570\u306e\u8a2d\u5b9a\u306f\u300c” “\u300d\u3067\u56f2\u3093\u3060\u4e2d\u306b\u300c’\u300d\u3092\u8a18\u8ff0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u9006\u306b\u3001\u30b7\u30f3\u30b0\u30eb\u30af\u30aa\u30fc\u30c8\u3092\u30c0\u30d6\u30eb\u30af\u30aa\u30fc\u30c8\u306b\u7f6e\u63db\u3059\u308b\u306e\u3067\u3042\u308c\u3070\u300c’ ‘\u300d\u3067\u56f2\u3093\u3060\u4e2d\u306b\u300c”\u300d\u3092\u8a18\u8ff0\u3059\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n
\u610f\u5916\u306b\u9593\u9055\u3044\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8\u306a\u306e\u3067\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n
\u300c\u30ab\u30f3\u30de\u300d\u306e\u7f6e\u63db<\/h2>\n
\u3053\u306e\u7ae0\u3067\u306f\u3001\u7f6e\u63db\u3059\u308b\u30b1\u30fc\u30b9\u3068\u3057\u3066\u3088\u304f\u4f7f\u308f\u308c\u308b\u300c,\uff08\u30ab\u30f3\u30de\uff09\u300d\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n
\u4e3b\u306b\u3001\u6b63\u898f\u8868\u73fe\u3092\u6d3b\u7528\u3057\u305f\u30ab\u30f3\u30de\u306e\u300c\u9664\u53bb\u300d\u3068\u300c\u8ffd\u52a0\u300d\u306b\u3064\u3044\u3066\u5b66\u3093\u3067\u3044\u304d\u307e\u3059\u3002<\/p>\n
\u5bfe\u8c61\u6587\u5b57\u5217\u306e\u30ab\u30f3\u30de\u3092\u3059\u3079\u3066\u9664\u53bb\u3059\u308b\u65b9\u6cd5<\/h3>\n
\u307e\u305a\u306f\u3001\u6587\u5b57\u5217\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u30ab\u30f3\u30de\u3092\u9664\u53bb\u3059\u308b\u65b9\u6cd5\u304b\u3089\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n
\u8003\u3048\u65b9\u3068\u3057\u3066\u306f\u3001\u6587\u5b57\u5217\u5185\u306e\u30ab\u30f3\u30de\u3092\u62bd\u51fa\u3057\u3066\u300c\u7a7a\u6587\u5b57\u300d\u306b\u7f6e\u63db\u3059\u308c\u3070\u9664\u53bb\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u6b21\u306e\u30b5\u30f3\u30d7\u30eb\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n
var str = '1,234,567';\r\n\r\nvar result = str.replace(\/,\/g, '');\r\n\r\nconsole.log( result );<\/pre>\n\u5b9f\u884c\u7d50\u679c<\/p>\n
1234567<\/pre>\n\u3053\u306e\u4f8b\u3067\u306f\u3001\u6587\u5b57\u5217\u306b\u542b\u307e\u308c\u305f\u30ab\u30f3\u30de\u3092\u6b63\u898f\u8868\u73fe\u3067\u62bd\u51fa\u3057\u3066\u300c\u7a7a\u6587\u5b57\u300d\u306b\u7f6e\u63db\u3057\u3066\u3044\u308b\u306e\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u300c\/,\/g\u300d\u3068\u3044\u3046\u8a18\u8ff0\u3067\u3001\u300cg\u300d\u30d5\u30e9\u30b0\u3092\u4f7f\u3063\u305f\u3059\u3079\u3066\u306e\u30ab\u30f3\u30de\u3092\u62bd\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u65b9\u6cd5\u3092\u899a\u3048\u3066\u304a\u304f\u3068\u3001\u30ab\u30f3\u30de\u3060\u3051\u3067\u306a\u304f\u300c _ \u300d\u300c – \u300d\u306a\u3069\u306b\u3082\u5fdc\u7528\u3067\u304d\u308b\u306e\u3067\u4fbf\u5229\u3067\u3059\uff01<\/p>\n
\u5bfe\u8c61\u6587\u5b57\u5217\u306b\u30ab\u30f3\u30de\u3092\u4ed8\u4e0e\u3059\u308b\u65b9\u6cd5<\/h3>\n
\u6b21\u306b\u3001\u30ab\u30f3\u30de\u3092\u4ed8\u4e0e\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n
\u6700\u3082\u591a\u3044\u30b1\u30fc\u30b9\u3068\u3057\u3066\u3001\u6570\u5024\u306e\u6587\u5b57\u5217\u3092\u300c3\u6841\u533a\u5207\u308a\u300d\u3067\u30ab\u30f3\u30de\u3092\u4ed8\u4e0e\u3057\u305f\u3044\u5834\u5408\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u6b63\u898f\u8868\u73fe\u3068( )\u306b\u3088\u308b\u30b0\u30eb\u30fc\u30d7\u5316\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u300c123456789\u300d\u3068\u3044\u3046\u6587\u5b57\u5217\u306b\u5bfe\u3057\u3066\u300c\/^(\\d+)(\\d{3})\/\u300d\u306e\u3088\u3046\u306b\u6b63\u898f\u8868\u73fe\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3059\u308b\u3068\u300c$1\u300d\u306b\u300c123456\u300d\u304c\u683c\u7d0d\u3055\u308c\u3066\u300c$2\u300d\u306b\u300c789\u300d\u304c\u683c\u7d0d\u3055\u308c\u307e\u3059\u3088\u306d\u3002<\/p>\n
\u305d\u306e\u305f\u3081\u300c$1,$2\u300d\u3068\u6307\u5b9a\u3059\u3070\u300c123456,789\u300d\u306b\u7f6e\u63db\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u3042\u3068\u306f\u3001\u3053\u308c\u30923\u6841\u533a\u5207\u308a\u304c\u3067\u304d\u306a\u304f\u306a\u308b\u307e\u3067\u7e70\u308a\u8fd4\u305b\u3070\u3001\u3069\u3093\u306a\u6570\u5b57\u306e\u6587\u5b57\u5217\u3067\u30823\u6841\u3067\u30ab\u30f3\u30de\u3092\u4ed8\u4e0e\u3067\u304d\u307e\u3059\uff01<\/p>\n
\u6b21\u306e\u30b5\u30f3\u30d7\u30eb\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n
var str = '12345678999999';\r\nvar tmp = str.replace(\/^(\\d+)(\\d{3})\/,\"$1,$2\");\r\n \r\nwhile (str !== tmp) {\r\n str = tmp;\r\n tmp = str.replace(\/^(\\d+)(\\d{3})\/,\"$1,$2\");\r\n}\r\n\r\nconsole.log( str );<\/pre>\n\u5b9f\u884c\u7d50\u679c<\/p>\n
12,345,678,999,999<\/pre>\n\u3053\u306e\u4f8b\u3067\u306f\u3001\u6570\u5b57\u306e\u6587\u5b57\u5217\u306b\u5bfe\u3057\u3066( )\u3067\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3064\u3064\u7f6e\u63db\u6587\u5b57\u3092\u300c$1,$2\u300d\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3055\u3089\u306b\u3001while\u6587\u30673\u6841\u305a\u3064\u30ab\u30f3\u30de\u304c\u533a\u5207\u308c\u306a\u304f\u306a\u308b\u307e\u3067\u7e70\u308a\u8fd4\u3057\u3066\u3044\u308b\u306e\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u306b\u3088\u308a\u5b9f\u884c\u7d50\u679c\u306e\u3088\u3046\u306a\u30ab\u30f3\u30de\u533a\u5207\u308a\u304c\u5b9f\u73fe\u3067\u304d\u308b\u308f\u3051\u3067\u3059\uff01<\/p>\n
\u95a2\u6570\u3067\u300creplace\u300d\u3092\u4f7f\u3046<\/h2>\n
\u3053\u308c\u307e\u3067\u300creplace()\u300d\u306e\u7b2c2\u5f15\u6570\u306b\u306f\u3001\u300c\u7f6e\u63db\u3059\u308b\u6587\u5b57\u300d\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u5b9f\u306f\u3053\u3053\u306b\u95a2\u6570\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\uff01<\/p>\n
\u305d\u306e\u305f\u3081\u3001\u5bfe\u8c61\u3068\u306a\u308b\u6587\u5b57\u3092\u62bd\u51fa\u3057\u305f\u3042\u3068\u306b\u3001\u72ec\u81ea\u306b\u4f5c\u3063\u305f\u95a2\u6570\u3067\u8907\u96d1\u306a\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u6d3b\u7528\u7bc4\u56f2\u304c\u3055\u3089\u306b\u30a2\u30c3\u30d7\u3059\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n
\u6b21\u306e\u4f8b\u3067\u306f\u3001\u5bfe\u8c61\u6587\u5b57\u3092\u3059\u3079\u3066\u5c0f\u6587\u5b57\u306b\u3059\u308b\u95a2\u6570\u3092\u7d44\u307f\u8fbc\u3093\u3060\u4f8b\u3067\u3059\u3002<\/p>\n
var str = 'Jane, MIKE, BoB';\r\n\r\n\/\/ \u5927\u6587\u5b57\u306e\u82f1\u8a9e\u3059\u3079\u3066\u306b\u95a2\u6570\u300ctoLower\u300d\u3092\u5b9f\u884c\u3059\u308b\r\nvar result = str.replace( \/[A-Z]\/g, toLower );\r\n\r\n\/\/ \u95a2\u6570\u306e\u4f5c\u6210\r\nfunction toLower( s ) {\r\n\r\n \/\/ \u53d6\u5f97\u3057\u305f\u5bfe\u8c61\u6587\u5b57\u300cs\u300d\u3092\u5c0f\u6587\u5b57\u306b\u3059\u308b\r\n return s.toLowerCase();\r\n\r\n}\r\n\r\nconsole.log( result );\r\n\r\n<\/pre>\n\u51fa\u529b\u7d50\u679c\u306f\u2026<\/p>\n
jane, mike, bob<\/pre>\n\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u4f8b\u3067\u306f\u3001\u6b63\u898f\u8868\u73fe\u300c\/[A-Z]\/g\u300d\u3067\u5927\u6587\u5b57\u306e\u82f1\u8a9e\u3092\u3059\u3079\u3066\u62bd\u51fa\u3057\u3001\u95a2\u6570\u300ctoLower\u300d\u3092\u4f5c\u3063\u3066\u3059\u3079\u3066\u5c0f\u6587\u5b57\u306b\u5909\u63db\u3057\u305f\u5024\u3092\u8fd4\u3059\u3053\u3068\u3067\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u3088\u3046\u306b\u3001\u95a2\u6570\u3092\u4f7f\u3048\u3070\u300c\u5bfe\u8c61\u6587\u5b57\u300d\u3092\u597d\u304d\u306a\u3088\u3046\u306b\u51e6\u7406\u3057\u3066\u7d50\u679c\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3001\u5fdc\u7528\u7bc4\u56f2\u306f\u304b\u306a\u308a\u5e83\u3044\u3068\u8a00\u3048\u307e\u3059\uff01<\/p>\n
\u300csplit() \/ join()\u300d\u306e\u7d44\u307f\u5408\u308f\u305b\u4f8b<\/h2>\n
\u3053\u308c\u307e\u3067\u306f\u3001\u300creplace()\u300d\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u7f6e\u63db\u306e\u51e6\u7406\u3092\u884c\u3063\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u5b9f\u306f\u914d\u5217\u51e6\u7406\u3092\u4e0a\u624b\u304f\u5fdc\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u540c\u3058\u3088\u3046\u306b\u300c\u7f6e\u63db\u300d\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\uff01<\/p>\n
\u5229\u7528\u3059\u308b\u306e\u306f\u3001\u6587\u5b57\u5217\u3092\u5206\u5272\u3057\u3066\u914d\u5217\u30c7\u30fc\u30bf\u306b\u5909\u63db\u3059\u308b\u300csplit\u300d\u3068\u3001\u914d\u5217\u30c7\u30fc\u30bf\u30921\u3064\u306b\u7e4b\u304e\u5408\u308f\u305b\u308b\u300cjoin\u300d\u306e2\u3064\u3067\u3059\uff01<\/p>\n
\u300csplit\u300d\u306f\u3001\u6307\u5b9a\u3057\u305f\u5bfe\u8c61\u6587\u5b57\u306e\u3068\u3053\u308d\u3067\u5206\u5272\u3057\u3001\u914d\u5217\u30c7\u30fc\u30bf\u306b\u5909\u63db\u3057\u3066\u3044\u304d\u3044\u307e\u3059\u3002<\/p>\n
var str = 'Jane,Mike,Bob,John';\r\n\r\n\/\/ \u300c,\u300d\u306e\u3068\u3053\u308d\u3067\u6587\u5b57\u5217\u3092\u5206\u5272\u3059\u308b\r\nvar result = str.split( ',' );\r\n\r\nconsole.log( result );\r\n\r\n<\/pre>\n\u51fa\u529b\u7d50\u679c\u306f\u2026<\/p>\n
[ \"Jane\", \"Mike\", \"Bob\", \"John\" ]<\/pre>\n\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u4f8b\u3067\u306f\u3001\u300c , \u300d\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u4eba\u7269\u540d\u3060\u3051\u3092\u62bd\u51fa\u3057\u3001\u914d\u5217\u30c7\u30fc\u30bf\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u5206\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n
\u305d\u3057\u3066\u3001\u300cjoin\u300d\u306f\u305d\u308c\u305e\u308c\u306e\u914d\u5217\u30c7\u30fc\u30bf\u30921\u3064\u306b\u7e4b\u304e\u5408\u308f\u305b\u308b\u51e6\u7406\u3092\u884c\u3046\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n
var str = [ 'Hello', 'My', 'name', 'is', 'Mike' ];\r\n\r\nvar result = str.join( ' ' );\r\n\r\nconsole.log( result );\r\n\r\n<\/pre>\n\u51fa\u529b\u7d50\u679c\u306f\u2026<\/p>\n
Hello My name is Mike<\/pre>\n\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u4f8b\u3067\u306f\u3001\u300cjoin( ‘ ‘ )\u300d\u306e\u3088\u3046\u306b\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u308c\u305e\u308c\u306e\u914d\u5217\u30c7\u30fc\u30bf\u306b\u7a7a\u767d\u3092\u4ed8\u4e0e\u3057\u306a\u304c\u3089\u7e4b\u304e\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u306e\u3067\u3059\u3002<\/p>\n
\u3082\u3057\u3001\u300cjoin( ‘-‘ )\u300d\u306e\u3088\u3046\u306b\u30cf\u30a4\u30d5\u30f3\u3092\u4ed8\u4e0e\u3059\u308c\u3070\u3001\u300cHello-My-name-is-Mike\u300d\u306e\u3088\u3046\u306a\u7d50\u679c\u306b\u306a\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n
\u305d\u3057\u3066\u3001\u300csplit\u300d\u3068\u300cjoin\u300d\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u307e\u3067\u3068\u540c\u3058\u3088\u3046\u306a\u300c\u7f6e\u63db\u300d\u3092\u884c\u3046\u3053\u3068\u304c\u51fa\u6765\u308b\u308f\u3051\u3067\u3059\uff01<\/p>\n
var str = 'user-01, user-02, user-03';\r\n\r\n\/\/ \u300csplit\u300d\u300cjoin\u300d\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u7f6e\u63db\u3092\u884c\u3046\r\nvar result = str.split( '-' ).join( '_' );\r\n\r\nconsole.log( result );\r\n\r\n<\/pre>\n\u51fa\u529b\u7d50\u679c\u306f\u2026<\/p>\n
user_01, user_02, user_03<\/pre>\n\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u4f8b\u3067\u306f\u3001\u6587\u5b57\u5217\u304b\u3089\u300c-\uff08\u30cf\u30a4\u30d5\u30f3\uff09\u300d\u306e\u7b87\u6240\u3067\u5206\u5272\u3057\u3066\u914d\u5217\u306b\u3057\u3001\u305d\u308c\u3092\u300c_\uff08\u30a2\u30f3\u30c0\u30fc\u30d0\u30fc\uff09\u300d\u3092\u4ed8\u4e0e\u3057\u306a\u304c\u30891\u3064\u306b\u9023\u7d50\u3059\u308b\u3068\u3044\u3046\u51e6\u7406\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u7d50\u679c\u7684\u306b\u3001\u300creplace()\u300d\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u305f\u6642\u3068\u540c\u3058\u3088\u3046\u306b\u300c\u7f6e\u63db\u300d\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u5206\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n
\u300creplace\u300d\u306e\u4f7f\u3044\u65b9\u307e\u3068\u3081<\/h2>\n
\u6700\u5f8c\u306b\u3001\u300creplace\u300d\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u307e\u3068\u3081\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n
\u307e\u305a\u306f\u57fa\u672c\u7684\u306areplace\u306e\u4f7f\u3044\u65b9\u3068\u3057\u3066\u3001\u300c_\u300d\u3092\u300c-\u300d\u306b\u7f6e\u63db\u3059\u308b\u65b9\u6cd5\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n
var str = 'user_123';\r\n\r\nresult = str.replace( '_', '-' );\r\n<\/pre>\nreplace\u306e\u7b2c1\u5f15\u6570\u306b\u7f6e\u63db\u5bfe\u8c61\u306e\u6587\u5b57\u3092\u8a2d\u5b9a\u3057\u3001\u7b2c2\u5f15\u6570\u306b\u7f6e\u63db\u3059\u308b\u6587\u5b57\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001\u6b63\u898f\u8868\u73fe\u3092\u4f7f\u3063\u3066\u3082\u540c\u3058\u3053\u3068\u304c\u53ef\u80fd\u306a\u3046\u3048\u3001\u8907\u6570\u306e\u6587\u5b57\u5217\u3092\u7f6e\u63db\u5bfe\u8c61\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u4fbf\u5229\u3067\u3059\u3002<\/p>\n
var str = 'user_1, user_2, user_3';\r\n\r\nresult = str.replace(\/_\/g, '-');\r\n<\/pre>\n\u6b63\u898f\u8868\u73fe\u3067\u300c\/_\/g\u300d\u306e\u3088\u3046\u306b\u5bfe\u8c61\u6587\u5b57\u3092\u6307\u5b9a\u3059\u308c\u3070\u3001\u3059\u3079\u3066\u306e\u5bfe\u8c61\u6587\u5b57\u3092\u7f6e\u63db\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u3055\u3089\u306b\u3001\u7279\u6b8a\u6587\u5b57\u3092\u4f75\u7528\u3059\u308b\u3053\u3068\u3067\u52b9\u7387\u3088\u304f\u7f6e\u63db\u3092\u884c\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
var str = 'Sato Taro';\r\n\r\nresult = str.replace( \/(\\w+)\\s(\\w+)\/, '$2 $1' );\r\n<\/pre>\n\u6b63\u898f\u8868\u73fe\u306e( )\u3067\u56f2\u3093\u3060\u30b0\u30eb\u30fc\u30d7\u306f\u3001\u300c$1\u300d\u300c$2\u300d\u3068\u3044\u3046\u6587\u5b57\u5217\u3067\u64cd\u4f5c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u4e0a\u306e\u4f8b\u3067\u306f\u3001\u59d3\u3068\u540d\u3092\u305d\u308c\u305e\u308c$1 \/ $2\u306b\u683c\u7d0d\u3057\u3066\u9006\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u59d3\u540d\u304c\u53cd\u5bfe\u306b\u306a\u3063\u3066\u53d6\u5f97\u3067\u304d\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n
\u307e\u3068\u3081<\/h2>\n
\u4eca\u56de\u306f\u3001JavaScript\u306b\u304a\u3051\u308b\u3055\u307e\u3056\u307e\u306a\u300c\u7f6e\u63db\u300d\u624b\u6cd5\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n
\u6700\u5f8c\u306b\u3001\u30dd\u30a4\u30f3\u30c8\u3092\u3082\u3046\u4e00\u5ea6\u632f\u308a\u8fd4\u3063\u3066\u307f\u307e\u3057\u3087\u3046\uff01
\n
<\/p>\n
\n- \u300creplace()\u300d\u306f\u5bfe\u8c61\u6587\u5b57\u30921\u56de\u3060\u3051\u7f6e\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/b><\/li>\n
- \u6b63\u898f\u8868\u73fe\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u591a\u5f69\u306a\u7f6e\u63db\u624b\u6cd5\u3092\u6271\u3048\u308b<\/b><\/li>\n
- \u95a2\u6570\u3092\u7d44\u307f\u8fbc\u3080\u3053\u3068\u3067\u3001\u3055\u3089\u306b\u8907\u96d1\u306a\u6587\u5b57\u64cd\u4f5c\u3092\u884c\u3048\u308b<\/b><\/li>\n
- \u300csplit() \/ join()\u300d\u3092\u4e0a\u624b\u304f\u6d3b\u7528\u3059\u308c\u3070\u300c\u7f6e\u63db\u300d\u3092\u5b9f\u73fe\u3067\u304d\u308b<\/b><\/li>\n<\/ul>\n<\/div>\n
\u3068\u3044\u3046\u5185\u5bb9\u3067\u3057\u305f\u3002<\/p>\n
\u3053\u308c\u3089\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u8e0f\u307e\u3048\u306a\u304c\u3089\u3001\u305c\u3072\u81ea\u5206\u306a\u308a\u306e\u300c\u7f6e\u63db\u300d\u6d3b\u7528\u65b9\u6cd5\u3092\u898b\u3064\u3051\u3066\u5b9f\u8df5\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u306d\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4eca\u56de\u306f\u3001\u6587\u5b57\u5217\u306e\u4e2d\u304b\u3089\u4efb\u610f\u306e\u6587\u5b57\u3092\u5225\u306e\u6587\u5b57\u306b\u7f6e\u63db\u3059\u308b\u300creplace()\u300d\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3092\u3057\u307e\u3057\u3087\u3046\uff01 JavaScript\u306b\u306f\u52b9\u7387\u3088\u304f\u300c\u7f6e\u63db\u300d\u304c\u3067\u304d\u308b\u30e1\u30bd\u30c3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u7c21\u5358\u306a\u65b9\u6cd5\u304b\u3089\u8907\u96d1\u306a\u624b\u6cd5\u307e\u3067\u4eba\u306b […]<\/p>\n","protected":false},"author":4,"featured_media":69184,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"swell_btn_cv_data":"","footnotes":""},"categories":[2346],"tags":[95,641],"class_list":["post-21107","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript-study","tag-javascript","tag-replace"],"acf":[],"yoast_head":"\n
\u3010JavaScript\u5165\u9580\u3011replace\u306e\u6587\u5b57\u5217\u7f6e\u63db\u30fb\u6b63\u898f\u8868\u73fe\u306e\u4f7f\u3044\u65b9\u307e\u3068\u3081\uff01 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0<\/title>\n<meta name=\"description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010JavaScript\u5165\u9580\u3011replace\u306e\u6587\u5b57\u5217\u7f6e\u63db\u30fb\u6b63\u898f\u8868\u73fe\u306e\u4f7f\u3044\u65b9\u307e\u3068\u3081\uff01 \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sejuku.net\/blog\/21107\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010JavaScript\u5165\u9580\u3011replace\u306e\u6587\u5b57\u5217\u7f6e\u63db\u30fb\u6b63\u898f\u8868\u73fe\u306e\u4f7f\u3044\u65b9\u307e\u3068\u3081\uff01 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\" \/>\n<meta property=\"og:description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010JavaScript\u5165\u9580\u3011replace\u306e\u6587\u5b57\u5217\u7f6e\u63db\u30fb\u6b63\u898f\u8868\u73fe\u306e\u4f7f\u3044\u65b9\u307e\u3068\u3081\uff01 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property=\"article:modified_time\" content=\"2024-05-06T02:41:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/08\/javascript-tutorial-top.png\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/samuraijuku\" \/>\n<meta name=\"twitter:site\" content=\"@samuraijuku\" \/>\n<script type=\"application\/ld+json\" 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