Question 330334 in Javascript Question posted in
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Javascript – replace multiple characters and spaces in a string

There are multiple solutions on StackOverflow to repace multiple characters in a string and from that I have this code:

var replaceChars = { ' ':'-', 'ń':'n', 'ó':'o', 'ż':'z', 'ą':'a' };
var answerStrUrl = answerStr.replace(/ń|ó|ż|ą/g,function(match) {return replaceChars[match];}).toLowerCase();

(answerStrUrl is defined earlier in the code)

This works for all the characters but what should I add in the second line so that spaces are replaced with ‘-‘

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2

Answers


  1. 0

    Add the |s+| in the replace function.

    var answerStrUrl = answerStr.replace(/ń|ó|ż|s+|ą/g,function(match) {return replaceChars[match];}).toLowerCase();
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  2. 0

    Build the regexp dynamically and use [] character group:

    const replaceChars = { ' ':'-', 'ń':'n', 'ó':'o', 'ż':'z', 'ą':'a' };

const answerStr = 'ń ń ń ń ń';
const regex = new RegExp(`[${Object.keys(replaceChars).join('')}]`, 'g');
const answerStrUrl = answerStr.replace(regex, m => replaceChars[m]).toLowerCase(); 
console.log(answerStrUrl);
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