Validators

本地 isbn-validator 思路，在浏览器本地快速验证并转换国际标准书号 (ISBN-10 与 ISBN-13)。

Validate 15-digit IMEI numbers locally in your browser with format, length, and Luhn checksum checks.

Validate 17-character VINs locally in your browser with length, character, and 9th-position check digit rules.

Validate IBAN numbers locally in your browser with country-specific length, base format, BBAN structure, and mod97 checksum checks.

Validate BIC / SWIFT codes locally in your browser and parse bank, country, location, and branch details.

Validate EU VAT numbers locally in your browser with country code, format, and checksum checks for supported countries.

Validate credit card numbers locally in your browser with card brand detection, length checks, and Luhn checksum verification.

本地 email-validator 思路，在浏览器本地严格验证电子邮箱地址格式，分析本地部分、域名和顶级域名是否符合标准。

Validate single or multi-line UUID values locally in your browser and identify their version and variant.