Function matchesSymbol

src/math-json/utils.ts:515–520

(s: string)

/** True if the string matches the expected pattern for a symbol */
export function matchesSymbol(s: string): boolean {
  return (
    /^[a-zA-Z_][a-zA-Z0-9_]*$/.test(s) ||
    (s.length >= 2 && s[0] === '`' && s[s.length - 1] === '`')
  );
}

export function matchesString(s: string): boolean {
  if (s.length >= 2 && s[0] === "'" && s[s.length - 1] === "'") {