Function matchesString

src/math-json/utils.ts:522–528

(s: string)

}

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

  return !matchesNumber(s) && !matchesSymbol(s);
}

function jsValueToExpression(v: any): MathJsonExpression | null {
  if (typeof v === 'string') {