12 lines
		
	
	
		
			360 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			12 lines
		
	
	
		
			360 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
const urlVariableRegex = /\{[^}]+\}/g;
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function removeNonChars(variableName) {
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    return variableName.replace(/^\W+|\W+$/g, "").split(/,/);
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}
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export function extractUrlVariableNames(url) {
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    const matches = url.match(urlVariableRegex);
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    if (!matches) {
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        return [];
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    }
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    return matches.map(removeNonChars).reduce((a, b) => a.concat(b), []);
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}
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