Regex examples

regex.js

function withExec() {
  const scopesExpression = /\/scopes\/([0-9]*)/g;
  const { 1: scopeId1 } = scopesExpression.exec("/scopes/1234");
  const { 1: scopeId2 } = scopesExpression.exec("/scopes/5678");

  return [scopeId1, scopeId2];
  // Uncaught TypeError: Cannot destructure 'undefined' or 'null'.
}

function withMatch() {
  const scopesExpression = /\/scopes\/([0-9]*)/;
  const { 1: scopeId1 } = "/scopes/1234".match(scopesExpression);
  const { 1: scopeId2 } = "/scopes/5678".match(scopesExpression);

  return [scopeId1, scopeId2];
  // ["1234", "5678"]
}