{"id":202,"date":"2018-10-24T16:20:46","date_gmt":"2018-10-24T16:20:46","guid":{"rendered":"https:\/\/oidema-jp.com\/media\/2018-10-24-162046\/"},"modified":"2024-03-15T09:22:50","modified_gmt":"2024-03-15T00:22:50","slug":"2018-10-24-162046","status":"publish","type":"post","link":"https:\/\/oidema-jp.com\/media\/2018-10-24-162046\/","title":{"rendered":"\u3010JavaScript\u3011\u6b63\u898f\u8868\u73fe\u306b\u3064\u3044\u3066"},"content":{"rendered":"\n

\u3053\u306e\u8a18\u4e8b\u306fJavaScript\u306e\u6b63\u898f\u8868\u73fe\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u305f\u306e\u3067\u305d\u306e\u5185\u5bb9\u3092\u30e1\u30e2\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n

\u6b63\u898f\u8868\u73fe\u306b\u3064\u3044\u3066<\/h2>\n\n\n\n

\u25fc\ufe0e\u6b63\u898f\u8868\u73fe\u3092\u5229\u7528\u3059\u308b\u30b1\u30fc\u30b9\u306f\u4e3b\u306b\uff13\u30b1\u30fc\u30b9\u3060\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002
\u30001\uff1a \u6587\u5b57\u5217\u3092\u90e8\u5206\u7684\u306b\u7f6e\u63db\u3059\u308b\u3068\u304d
\u30002.\uff1a\u6587\u5b57\u5217\u304c\u5236\u7d04\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b\u3068\u304d
\u30003.\uff1a\u6587\u5b57\u5217\u306e\u4e00\u90e8\u5206\u3092\u62bd\u51fa\u3059\u308b\u3068\u304d<\/p>\n\n\n\n

\u30d5\u30a9\u30fc\u30e0\u306e\u4e2d\u306b\u5165\u529b\u3057\u305f\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066Validation\u3092\u304b\u3051\u305f\u3044\u6642\u3068\u304b\u3001\u96fb\u8a71\u756a\u53f7\u3067090-\u00d7\u00d7\u00d7\u00d7-\u00d7\u00d7\u00d7\u00d7\u3068\u304b\u306e\u30cf\u30a4\u30d5\u30f3\u3092\u53d6\u308a\u9664\u304d\u305f\u304b\u3063\u305f\u308a\u3001\u305d\u3082\u305d\u3082\u3001DB\u30b9\u30ad\u30fc\u30de\u306e\u5236\u7d04\u306b\u6574\u5408\u3057\u3066\u3044\u308b\u304b\u78ba\u304b\u3081\u305f\u304b\u3063\u305f\u308a\u3002\u3002<\/p>\n\n\n\n

\u3044\u308d\u3093\u306a\u3068\u3053\u308d\u3067\u4f7f\u3044\u305f\u3044\u6b63\u898f\u8868\u73fe\u3067\u3059\u304c\u3001\u3068\u306b\u304b\u304f\u5730\u5473\u3067\u300c\u3042\u308c\u3001\u3069\u3046\u3060\u3063\u305f\uff1f\u300d\u3068\u306a\u308a\u304c\u3061\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n

\u306a\u306e\u3067\u6539\u3081\u3066\u3053\u3061\u3089\u306e\u8a18\u4e8b\u306b\u57fa\u672c\u7684\u306a\u5185\u5bb9\u3092\u307e\u3068\u3081\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n

\n
\u6b63\u898f\u8868\u73fe<\/th>\u52b9\u679c<\/th><\/tr><\/thead>
[a-z]<\/code><\/td>\u89d2\u62ec\u5f27\u3067\u56f2\u307e\u308c\u305f\u6587\u5b57\u306e\u3044\u305a\u308c\u304b 1 \u500b\u306b\u30de\u30c3\u30c1<\/td><\/tr>
\\d<\/code><\/td>\u6570\u5b57\u306b\u30de\u30c3\u30c1<\/td><\/tr>
{n, m}<\/code><\/td>\u76f4\u524d\u306e\u6587\u5b57\u304c\u5c11\u306a\u304f\u3068\u3082 n \u56de\u3001\u591a\u304f\u3066\u3082 m \u56de\u51fa\u73fe\u3059\u308b\u3082\u306e\u306b\u30de\u30c3\u30c1<\/td><\/tr>
i<\/code><\/td>\u5927\u6587\u5b57\u30fb\u5c0f\u6587\u5b57\u3092\u533a\u5225\u3057\u306a\u3044\u691c\u7d22<\/td><\/tr>
g<\/code><\/td>\u30b0\u30ed\u30fc\u30d0\u30eb\u30de\u30c3\u30c1\u3067\u3002\u4f8b\u3048\u3070replace\u30e1\u30bd\u30c3\u30c9\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u6587\u5b57\u5217\u306e\u4e2d\u306b\u6307\u5b9a\u3057\u305f\u6587\u5b57\u304c\u8907\u6570\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u5168\u3066\u3092\u7f6e\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/td><\/tr>
+<\/code><\/td>\u76f4\u524d\u306e\u4e00\u56de\u4ee5\u4e0a\u306e\u6587\u5b57\u5217\u306b\u30de\u30c3\u30c1\u3059\u308b<\/td><\/tr>
-<\/code><\/td>\u76f4\u5f8c\u306e\u4e00\u56de\u4ee5\u4e0a\u306e\u6587\u5b57\u5217\u306b\u30de\u30c3\u30c1\u3059<\/td><\/tr>
.<\/code><\/td>\u3069\u306e\uff11\u6587\u5b57\u306b\u3082\u30de\u30c3\u30c1\u3059\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n

\u6b63\u898f\u8868\u73fe\u3092\u5229\u7528\u3059\u308b\u969b\u306b\u4f7f\u7528\u3059\u308b\u30e1\u30bd\u30c3\u30c9\uff1areplace<\/code>\u3001match<\/code><\/h2>\n\n\n\n

replace\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u307f\u308b<\/h4>\n\n\n\n

replace<\/code>\u30e1\u30bd\u30c3\u30c9\u306f\u6587\u5b57\u5217\u306e\u6307\u5b9a\u306e\u90e8\u5206\u3092\u5225\u306e\u6587\u5b57\u306b\u7f6e\u304d\u63db\u3048\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002 > var food = \u2018\u30dd\u30c6\u30c1\u3046\u307e\u3044\u2019; => undefined > food.replace(\/\u30dd\u30c6\u30c1\/, \u2018\u3058\u3083\u304c\u308a\u3053\u2019);\u3000 => \u201c\u3058\u3083\u304c\u308a\u3053\u3046\u307e\u3044\u201d<\/p>\n\n\n\n

replace<\/code>\u3092\u5229\u7528\u3057\u3066\u6587\u5b57\u5217\u3092\u64cd\u4f5c\u3057\u305f\u3044\u6587\u5b57\u5217\u306f\/\/\u3067\u56f2\u307f\u307e\u3059\u3002\u7b2c\uff12\u5f15\u6570\u306b\u5909\u63db\u5f8c\u306e\u6587\u5b57\u5217\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u4eca\u56de\u306f\u30dd\u30c6\u30c1\u3092\u3058\u3083\u304c\u308a\u3053\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u30b0\u30ed\u30fc\u30d0\u30eb\u30de\u30c3\u30c1\u3092\u5229\u7528\u3057\u3066replace<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u307f\u308b<\/h4>\n\n\n\n

> var address = \u2018\u6771\u4eac\u90fd-\u6e2f\u533a-\u864e\u30ce\u9580\u2019; => undefined > address.replace(\/-\/g, \u201c\u201d); ##\u2019g\u2019\u3092 => \u201c\u6771\u4eac\u90fd\u6e2f\u533a\u864e\u30ce\u9580\u201d<\/p>\n\n\n\n

match<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u307f\u308b<\/h4>\n\n\n\n

match<\/code>\u30e1\u30bd\u30c3\u30c9\u306f\u5f15\u6570\u306e\u4e2d\u306b\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u304c\u30ec\u30b7\u30fc\u30d0\u306b\u5b58\u5728\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002
\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u8fd4\u308a\u5024\u306b\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u304c\u914d\u5217\u5f62\u5f0f\u3067\u623b\u3055\u308c\u307e\u3059\u3002
\u307e\u305f\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u8fd4\u308a\u5024\u3068\u3057\u3066null\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002 > var str = \u2018\u30dd\u30c6\u30c1\u2019; => undefined > str.match(\/\u30dd\u30c6\u30c1\/); => [\u201c\u30dd\u30c6\u30c1\u201d] > str.match(\/\u3058\u3083\u304c\u308a\u3053\/) => null<\/p>\n\n\n\n

\u6587\u5b57\u6570\u306e\u5236\u7d04\u3092\u8a2d\u5b9a\u3059\u308b<\/h4>\n\n\n\n

{8,}<\/code>\u3092\u5229\u7528\u3057\u3066\uff18\u6587\u5b57\u4ee5\u4e0a\u306e\u5236\u7d04\u3092\u3064\u3051\u3066\u3044\u307e\u3059\u3002
\u305d\u306e\u4ed6\u3001[a-z]<\/code>\u306fa~z\u306e\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u306b\u5408\u81f4\u3059\u308b\u3082\u306e\u3001 > var pass = \u2018Huga1234\u2019; => undefined > pass.match(\/[a-z\\d]{8,}\/i); => [\u201cHuga1234\u201d]\n\n\n\n

\u88dc\u8db3\u2460
\u6700\u521d\u306e\uff11\u6587\u5b57\u3092\u8fd4\u3057\u307e\u3059\u3002 > var aaa.match(\/.\/); => [\u2018a\u2019] ##\u6700\u521d\u306e\uff11\u6587\u5b57\u306b\u30de\u30c3\u30c1<\/p>\n\n\n\n

\u88dc\u8db3\u2461
\u6700\u521d\u306ea\u3060\u3051\u3067\u306a\u304f\u305d\u306e\u5f8c\u306b\u7d9a\u304fa\u3082\u8fd4\u3057\u307e\u3059 > var aaabbb.match(\/a+\/); => [\u2018a\u2019] ##\u76f4\u524d\u306e\u6587\u5b57\u3067\u76f4\u5f8c\u306b\u7d9a\u304f\u6587\u5b57\u306b\u30de\u30c3\u30c1<\/p>\n\n\n\n

\u88dc\u8db3\u2462
\u2018.\u2019\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u5168\u3066\u306e\u6587\u5b57\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002 > var aaabbb.match(\/.+\/); => [\u2018aaabbb\u2019] ##\u76f4\u524d\u306e\u6587\u5b57\u3067\u76f4\u5f8c\u306b\u7d9a\u304f\u6587\u5b57\u306b\u30de\u30c3\u30c1\u3001\u3053\u306e\u5834\u5408\u306f\u2019.\u2019\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u306e\u3067\u5168\u3066\u306b\u30de\u30c3\u30c1\u3059\u308b<\/p>\n\n\n\n

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

\u3053\u308c\u307e\u3067\u57fa\u672c\u7684\u306a\u6b63\u898f\u8868\u73fe\u306e\u66f8\u304d\u65b9\u306b\u3064\u3044\u3066\u30e1\u30e2\u3057\u3066\u304d\u307e\u3057\u305f\u3002
\u3053\u3061\u3089\u306f\u5099\u5fd8\u7684\u306b\u898b\u3066\u3082\u3089\u3048\u305f\u3089\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u95b2\u89a7\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3053\u306e\u8a18\u4e8b\u306fJavaScript\u306e\u6b63\u898f\u8868\u73fe\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u305f\u306e\u3067\u305d\u306e\u5185\u5bb9\u3092\u30e1\u30e2\u3057\u305f\u3082\u306e\u3067\u3059\u3002 \u6b63\u898f\u8868\u73fe\u306b\u3064\u3044\u3066 \u25fc\ufe0e\u6b63\u898f\u8868\u73fe\u3092\u5229\u7528\u3059\u308b\u30b1\u30fc\u30b9\u306f\u4e3b\u306b\uff13\u30b1\u30fc\u30b9\u3060\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002\u30001\uff1a \u6587\u5b57\u5217\u3092\u90e8\u5206\u7684\u306b\u7f6e\u63db\u3059\u308b\u3068\u304d\u30002.\uff1a\u6587\u5b57\u5217\u304c … <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"footnotes":""},"categories":[14],"tags":[],"class_list":{"0":"post-202","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-javascript","7":"entry","8":"nothumb"},"acf":[],"aioseo_notices":[],"mb":[],"mfb_rest_fields":["title","aioseo_notices"],"_links":{"self":[{"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/posts\/202","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/comments?post=202"}],"version-history":[{"count":1,"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/posts\/202\/revisions"}],"predecessor-version":[{"id":3321,"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/posts\/202\/revisions\/3321"}],"wp:attachment":[{"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/media?parent=202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/categories?post=202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/tags?post=202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}