What is the regex for australian phone number?

The regex pattern for australian phone number is `^(?:\+61|0)4\d{8}$`. This pattern validates australian mobile number with optional +61 country code.

How do I use this regex in JavaScript?

In JavaScript, create the regex with `const regex = /^(?:\+61|0)4\d{8}$/;` and test with `regex.test(yourValue)`. It returns `true` if the value matches.

How do I use this regex in Python?

In Python, use `import re; re.match(r'^(?:\+61|0)4\d{8}$', value)`. The raw string prefix (`r`) prevents Python from interpreting backslashes as escape characters.

Is this regex case-sensitive?

By default, yes. To make it case-insensitive, add the `i` flag in JavaScript (`/^(?:\+61|0)4\d{8}$/i`) or use `re.IGNORECASE` in Python.

Regex for Australian Phone Number

Regex Pattern

^(?:\+61|0)4\d{8}$

Australian mobile number with optional +61 country code

Quick Answer

The regex pattern for australian phone number is `^(?:\+61|0)4\d{8}$`. Australian mobile number with optional +61 country code. This works in JavaScript, Python, Ruby, PHP, Java, and most regex engines that support PCRE syntax.

Test Examples

Input	Result
+61412345678	✓ Matches
0412345678	✓ Matches
+61498765432	✓ Matches
0312345678	✗ No match
+61312345678	✗ No match
12345678	✗ No match

Code Examples

javascript

const regex = /^(?:\+61|0)4\d{8}$/;
const isValid = regex.test(value);

python

import re
pattern = r'^(?:\+61|0)4\d{8}$'
if re.match(pattern, value):
    print("valid")

ruby

pattern = /^(?:\+61|0)4\d{8}$/
if value =~ pattern
  puts "valid"
end

php

if (preg_match('/^(?:\+61|0)4\d{8}$/', $value)) {
    echo "valid";
}

java

String pattern = "^(?:\\+61|0)4\\d{8}$";
boolean isValid = value.matches(pattern);

Frequently Asked Questions

Related Regex Patterns

US Phone Number

US phone number in common formats

International Phone (E.164)

Validates E.164 international format — + followed by 2-15 digits

Indian Phone Number

Indian mobile number with optional +91 country code

UK Phone Number

UK mobile number with optional +44 country code

French Phone Number

French phone number with optional +33 country code

German Phone Number

German phone number with optional +49 country code