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JavaScriptで全角数字→半角数字(半角数字→全角数字)の変換

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  1. // 全角→半角
  2. function Zen2Han(str) {
  3.   return str.replace(/[０-９]/g, function(str){return String.fromCharCode(str.charCodeAt(0)-65248);});
  4. }
  5.  
  6. //半角→全角
  7. function Han2Zen(str) {
  8.   return str.replace(/\d/g, function(str){return String.fromCharCode(str.charCodeAt(0)+65248);});
  9. }

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