Function matchMatrixKeySegments

packages/router/src/url_tree.ts:591–594

(str: string)

const MATRIX_PARAM_SEGMENT_RE = /^[^\/()?;=#]+/;
function matchMatrixKeySegments(str: string): string {
  const match = str.match(MATRIX_PARAM_SEGMENT_RE);
  return match ? match[0] : '';
}

const QUERY_PARAM_RE = /^[^=?&#]+/;
// Return the name of the query param at the start of the string or an empty string