Function escapeRegExp

src/utils/stringUtils.ts:9–11

(str: string)

 * pattern in a RegExp constructor.
 */
export function escapeRegExp(str: string): string {
  return str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
}

/**
 * Uppercases the first character of a string, leaving the rest unchanged.