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October 20, 2010 12:07
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jp-domain.js : JPドメインをパースする
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| // jp-domain.js | |
| function JPDomain () { | |
| var half_string, hyphen, mark, hiragana, katakana, kanji, TLD, SLD, domain_lastString, alphanum_domain, first_char, middle_char, end_char, japanese_domain; | |
| if (!(this instanceof JPDomain)) { | |
| throw new Error(this + ' is not a object created by constructor'); | |
| } | |
| // Base Strings | |
| half_string = '[\\dA-Za-z]'; | |
| hyphen = '-'; | |
| mark = '[\u3005\u309D\u309E\u30FB\u30FC\u30FD\u30FE]'; | |
| hiragana = '[\u3041-\u3093]'; | |
| katakana = '[\u30A1-\u30F3]'; | |
| kanji = '[\u4E00-\u9FA5]'; | |
| // Domain's Last Strings | |
| TLD = '\\.JP'; | |
| SLD = '\\.(?:A[CD]|CO|G[OR]|OR|NE|ED|LG)'; | |
| domain_lastString = '(?:' + SLD + ')?' + TLD; | |
| // Alphabet & Number Domain | |
| alphanum_domain = half_string + '(?:' + half_string + '|' + hyphen + '(?!' + hyphen + ')){1,61}' + half_string + domain_lastString; | |
| // Japanese Domain | |
| first_char = '(?:' + half_string + '|' + mark + '|' + hiragana + '|' + katakana + '|' + kanji + ')'; | |
| middle_char = '(?:' + half_string + '|' + hyphen + '(?!' + hyphen + ')|' + mark + '|' + hiragana + '|' + katakana + '|' + kanji + ')'; | |
| end_char = '(?:' + half_string + '|' + mark + '|' + hiragana + '|' + katakana + '|' + kanji + ')'; | |
| japanese_domain = first_char + '(?:' + middle_char + '{0,13}' + end_char + ')?' + domain_lastString; | |
| // Syntax | |
| this.syntaxRegExp = { | |
| AlphanumDomain: new RegExp('^' + alphanum_domain + '$', 'i'), | |
| JapaneseDomain: new RegExp('^' + japanese_domain + '$', 'i'), | |
| JPDomain: new RegExp('^(?:' + alphanum_domain + '|' + japanese_domain + ')$', 'i') | |
| }; | |
| return this; | |
| } | |
| // JPDomain.prototype | |
| (function () { | |
| this.isAlphanumDomain = function (domainString) { | |
| return this.syntaxRegExp.AlphanumDomain.test(domainString); | |
| }; | |
| this.isJapaneseDomain = function (domainString) { | |
| return this.syntaxRegExp.JapaneseDomain.test(domainString); | |
| }; | |
| this.isJPDomain = function (domainString) { | |
| return this.syntaxRegExp.JPDomain.test(domainString); | |
| }; | |
| }).call(JPDomain.prototype); |
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下記URLに解説があります。
jp-domain.js
http://vird2002.s8.xrea.com/javascript/jp-domain.html
下記URLを参考にしました。
JPドメイン名の種類 - 使用できる文字 - / JPRS
http://jprs.jp/info/jp-dom/character.html
JPドメイン名の種類 - JPドメイン名の形式例 - / JPRS
http://jprs.jp/info/jp-dom/example.html
JP 属性型 (組織種別型) ・地域型JPドメイン名登録等に関する規則
http://jprs.jp/doc/rule/rule.html