Regex TesterLocal Regex Debugger

Test and debug regular expressions instantly in your browser. 100% local, privacy-first.

Regex Tester

Test and debug regular expressions instantly in your browser. 100% local, privacy-first.

Regular Expression

Flags

Test String

Common Patterns

Email Address

Match email addresses

[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}

URL

Match HTTP/HTTPS URLs

https?:\/\/[\w\-._~:/?#[\]@!$&'()*+,;=%]+

Phone Number

Match phone numbers

\+?[\d\s\-().]{10,}

IPv4 Address

Match IPv4 addresses

\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b

Date (YYYY-MM-DD)

Match dates in ISO format

\d{4}-\d{2}-\d{2}

Time (HH:MM:SS)

Match time in 24-hour format

(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d

Hex Color

Match hex color codes

#(?:[0-9a-fA-F]{3}){1,2}\b

Username

Match usernames (3-16 chars, starts with letter)

^[a-zA-Z][a-zA-Z0-9_]{2,15}$

Strong Password

Match strong passwords (8+ chars, upper, lower, number, special)

^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$

Credit Card

Match credit card numbers

\b(?:\d{4}[- ]?){3}\d{4}\b

Pertanyaan Umum

Semua yang perlu Anda ketahui.

Is this secure?

Yes. All regex testing happens locally in your browser. No data is sent to any server.

What flags are supported?

We support global (g), case-insensitive (i), multiline (m), dotAll (s), and unicode (u) flags.

Pribadi & Aman

Pemrosesan terjadi 100% di browser Anda. File tidak pernah diunggah ke server.

Sangat Cepat

Didukung oleh WebAssembly untuk kinerja mendekati native.

Tanpa Instalasi

Berjalan di perangkat apa pun langsung di browser.

Regex TesterLocal Regex Debugger

Test and debug regular expressions instantly in your browser. 100% local, privacy-first.

Regex Tester

Test and debug regular expressions instantly in your browser. 100% local, privacy-first.

Regular Expression

Flags

Test String

Common Patterns

Email Address

Match email addresses

[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}

URL

Match HTTP/HTTPS URLs

https?:\/\/[\w\-._~:/?#[\]@!$&'()*+,;=%]+

Phone Number

Match phone numbers

\+?[\d\s\-().]{10,}

IPv4 Address

Match IPv4 addresses

\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b

Date (YYYY-MM-DD)

Match dates in ISO format

\d{4}-\d{2}-\d{2}

Time (HH:MM:SS)

Match time in 24-hour format

(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d

Hex Color

Match hex color codes

#(?:[0-9a-fA-F]{3}){1,2}\b

Username

Match usernames (3-16 chars, starts with letter)

^[a-zA-Z][a-zA-Z0-9_]{2,15}$

Strong Password

Match strong passwords (8+ chars, upper, lower, number, special)

^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$

Credit Card

Match credit card numbers

\b(?:\d{4}[- ]?){3}\d{4}\b

Pertanyaan Umum

Semua yang perlu Anda ketahui.

Is this secure?

Yes. All regex testing happens locally in your browser. No data is sent to any server.

What flags are supported?

We support global (g), case-insensitive (i), multiline (m), dotAll (s), and unicode (u) flags.

Pribadi & Aman

Pemrosesan terjadi 100% di browser Anda. File tidak pernah diunggah ke server.

Sangat Cepat

Didukung oleh WebAssembly untuk kinerja mendekati native.

Tanpa Instalasi

Berjalan di perangkat apa pun langsung di browser.