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Unix Timestamp Regex Pattern

Matches Unix timestamps in seconds (10 digits) or milliseconds (13 digits). Used universally in programming.

Date & Time
Beginner
Difficulty
Universal
Language
none
Flags
// Regular Expression
/^\d{10,13}$/

Live Regex Tester

Pattern Breakdown

^\d{10,13}$
Character class [ ]
Group ( )
Quantifier { }
Anchor ^ $
Repetition * + ?
Escape \
Alternation |
Any char .

Code Examples

JavaScript

const regex = /^\d{10,13}$/;
const test = "1678185600000";
console.log(regex.test(test)); // true

// Extract matches
const matches = test.match(regex);
console.log(matches);

Python

import re

pattern = r'^\d{10,13}$'
test = "1678185600000"
match = re.search(pattern, test)
print(match)  # Found!

Go

package main

import (
    "fmt"
    "regexp"
)

func main() {
    re := regexp.MustCompile(`^\d{10,13}$`)
    fmt.Println(re.MatchString("1678185600000")) // true
}

Common Use Cases

API responsesdatabase recordslog analysis

Match Examples

InputResult
1678185600000Match
123456789No Match

About the Unix Timestamp Regex

Matches Unix timestamps in seconds (10 digits) or milliseconds (13 digits). Used universally in programming.

Regular expressions (regex) are powerful pattern matching tools used across virtually all programming languages. The unix timestamp pattern is classified as beginner difficulty in the date & time category. It works in all major programming languages.

When using this regex, always consider edge cases and test thoroughly with real-world data. Use the interactive tester above to validate the pattern against your specific inputs before deploying to production.

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Frequently Asked Questions

What is the Unix Timestamp regex pattern?

Matches Unix timestamps in seconds (10 digits) or milliseconds (13 digits). Used universally in programming.

How do I use the Unix Timestamp regex?

Use the pattern /^\d{10,13}$/ in your code. In JavaScript: new RegExp('^\d{10,13}$', ''). Test it above with your own input.

What does this Unix Timestamp regex match?

This pattern matches: "1678185600000". It does NOT match: "123456789". API responses, database records, log analysis.

Is the Unix Timestamp regex beginner-friendly?

This pattern is rated Beginner. It uses basic regex syntax and is easy to understand.

What languages support the Unix Timestamp regex?

This pattern works in all major programming languages including JavaScript, Python, Java, C#, Go, Ruby, PHP, and more. Syntax may vary slightly between regex engines.

Can I modify the Unix Timestamp regex for my use case?

Yes! Use the interactive tester above to modify the pattern and test with your own data. Common modifications include making it case-insensitive (add 'i' flag), matching globally (add 'g' flag), or adjusting character classes.

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