Question 256553 in Javascript Question posted in
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Javascript replace regex wildcard with dynamic text

I need to extract text but some parts are dynamic and change

This is my var

htts://query1.data.site.com/v7/finance/download/MYTEXT?period1=1664641287&period2=1696177287&interval=1d&events=history&includeAdjustedClose=true

I need to take only MYTEXT

These values changes

MYTEXT
1664641287
1696177287
1d

I tried with string.replace but I don’t know how to remove the dynamic parts

The solution I thought of was to remove all the text before and after MYTEXT but I can’t write a command that can do this

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2

Answers


  1. 0

    Use a regexp that matches everything between the last / and ?

    const url = 'htts://query1.data.site.com/v7/finance/download/MYTEXT?period1=1664641287&period2=1696177287&interval=1d&events=history&includeAdjustedClose=true';
const regexp = /[^/]+(?=?)/;
match = url.match(regexp);
console.log(match);
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  2. 0

    Use URL to parse URL strings.

    You can get the pathname to extract MYTEXT, which will be the last segment separated by /‘s.

    You can get the searchParams to retrieve the value of specific query parameters like period1=1664641287

    const urlString = 'htts://query1.data.site.com/v7/finance/download/MYTEXT?period1=1664641287&period2=1696177287&interval=1d&events=history&includeAdjustedClose=true';

const url = new URL(urlString);

// You can get the last segment of the path like this 
console.log(url.pathname.split('/').slice(-1)[0]);

// You can also get query params like this if you need them
console.log(url.searchParams.get('period1'));
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