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【JavaScript】正規表現を使ってパラメータの値を取得する

JavaScript
正規表現

Last updated at 2019-11-14Posted at 2018-09-20

指定したパラメータの値を取得するための関数。

script.js

function getParam(val) {
  var p = location.search;
  var v = '(?:(?:^|.*\s*)' + val + '\s*\=\s*([^&]*).*$)|^.*$';
  return p.replace(new RegExp(v), '$1');
}

alert(getParam('hoge'));

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