categories.regex.title
regex-phone
All-in-one developer toolkit with 50+ free online tools. JSON formatter, Regex tester, Base64 encoder, QR code generator, Markdown editor, Color converter, Unit converter, CSS generator, and more. 100% client-side, privacy-first.
regexphonemobilevalidatephone number
Phone Validator
Regular Expression
/^1[3-9]\d{9}$/
Sample Numbers
138123456781598765432118611112222123456789011381234567