sa-company-registration-number-regex/index.js

Regular expression for matching South African Company Registration Number

// 06 PUBLIC COMPANY
// 07 PRIVATE COMPANY
// 08 ARTICLE 21
// 09 LIMITED BY GUARANTEE
// 10 EXTERNAL COMPANY
// 12 EXTERNAL COMPANY UNDER SECTION 21A
// 21 INC
// 22 UNLIMITED
// 23 CLOSE CORPORATION
// 24 PRIMARY COOPERATIVE
// 25 SECONDARY COOPERATIVE
// 26 TERTIARY COOPERATIVE
// 30 STATE OWNED COMPANY(SOC LTD)
// 31 STATUTORY BODY
const pattern = '[0-9]{4}/[0-9]{6,7}/(06|07|08|09|10|12|21|22|23|24|25|26|30|31)'

module.exports = (options = {}) => {
  return options.exact ? new RegExp(`^${pattern}$`) : new RegExp(pattern, 'g')
}