如何在字符串中转义双引号

***注意：***此解决方案不处理已正确转义的双引号，也不能正确转义反斜杠。但它仍可作为自定义转义的起点。

how-to-escape-double-quotes-in-stirng.js

'foo"bar"gas'.replace(/"/g, "\\\"") # 结果为 foo\"bar\"gas

'foo"bar"gas'.replace(/"/g, "\\\"") # 结果为 foo\"bar\"gas

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