js regex remove everything before certain character (excluding)

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const regex = /^.+(-)/; // match '-' character and everything before it

const text = 'Removed part-Example text...';

const result = text.replace(regex, '$1'); //  remove everything before '-' character

console.log(result); // '-Example text...'

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const regex = /-.*$/;

const text = 'Removed part - Example text...';

const match = text.match(regex);

if (match) {
	console.log(match[0]);  // '- Example text...'
} else {
	console.log(text);
}