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JavaScriptのエスケープと改行変換

Last updated at Posted at 2016-11-11

備忘録
JavaScriptで表示する際に良く使う物。(足りてるかどうかは不明)
正規表現は毎回正解が分からないので、標準で安全な関数を用意して頂ければ良いのだが。

###エスケープ

var escape = function(str){
    return 
        str.replace(/&/g, '&')
        .replace(/</g, '&lt;')
        .replace(/>/g, '&gt;')
        .replace(/"/g, '&quot;')
        .replace(/'/g, '&#39;');
}

###改行処理

var nl2br = function(str) {
    return str.replace(/\r\n/g, "<br />").replace(/(\n|\r)/g, "<br />");
}
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