[英]Rewriting HTTP url to HTTPS using regular expression and javascript
I'm in a situation where I need to rewrite an url in javascript and switch it from http protocol to https. 我正处于需要在javascript中重写URL并将其从http协议切换到https的情况。
I can match https urls with: 我可以将https网址与以下内容匹配:
if(url.match('^http://')){
but how do I form the https url using regular expressions and javascript? 但是如何使用正则表达式和javascript形成https网址?
url = "https://" + ?;
直接替换正则表达式:
url = url.replace(/^http:\/\//i, 'https://');
Cannot it be done by simply replacing the http string? 简单地替换http字符串不能完成吗?
if(url.match('^http://')){
url = url.replace("http://","https://")
}
Depending on your case, you might prefer to slice: 根据您的情况,您可能更喜欢切片:
processed_url = "http" + initial_url.slice(5);
Example of http to https: http到https的示例:
var initial_url;
var processed_url;
initial_url = "http://stackoverflow.com/questions/5491196/rewriting-http-url-to-https-using-regular-expression-and-javascript";
processed_url = "https" + initial_url.slice(6);
console.log(processed_url)
Example of https to http: https到http的示例:
var initial_url;
var processed_url;
initial_url = "https://stackoverflow.com/questions/5491196/rewriting-http-url-to-https-using-regular-expression-and-javascript";
processed_url = "http" + initial_url.slice(5);
console.log(processed_url)
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