S3 Bucket URL Regex Pattern
Matches S3 protocol URLs with bucket name and optional path. Used in AWS CLI commands and data engineering.
Live Regex Tester
Pattern Breakdown
Code Examples
JavaScript
const regex = /s3:\/\/([a-z0-9][a-z0-9.-]{1,61}[a-z0-9])(\/.*)?/;
const test = "s3://my-bucket/path/to/file.txt";
console.log(regex.test(test)); // true
// Extract matches
const matches = test.match(regex);
console.log(matches);Python
import re
pattern = r's3:\/\/([a-z0-9][a-z0-9.-]{1,61}[a-z0-9])(\/.*)?'
test = "s3://my-bucket/path/to/file.txt"
match = re.search(pattern, test)
print(match) # Found!Go
package main
import (
"fmt"
"regexp"
)
func main() {
re := regexp.MustCompile(`s3:\/\/([a-z0-9][a-z0-9.-]{1,61}[a-z0-9])(\/.*)?`)
fmt.Println(re.MatchString("s3://my-bucket/path/to/file.txt")) // true
}Common Use Cases
Match Examples
| Input | Result |
|---|---|
| s3://my-bucket/path/to/file.txt | Match |
| http://s3.amazonaws.com/bucket | No Match |
About the S3 Bucket URL Regex
Matches S3 protocol URLs with bucket name and optional path. Used in AWS CLI commands and data engineering.
Regular expressions (regex) are powerful pattern matching tools used across virtually all programming languages. The s3 bucket url pattern is classified as intermediate difficulty in the file & path 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 S3 Bucket URL regex pattern?
Matches S3 protocol URLs with bucket name and optional path. Used in AWS CLI commands and data engineering.
How do I use the S3 Bucket URL regex?
Use the pattern /s3:\/\/([a-z0-9][a-z0-9.-]{1,61}[a-z0-9])(\/.*)?/ in your code. In JavaScript: new RegExp('s3:\/\/([a-z0-9][a-z0-9.-]{1,61}[a-z0-9])(\/.*)?', ''). Test it above with your own input.
What does this S3 Bucket URL regex match?
This pattern matches: "s3://my-bucket/path/to/file.txt". It does NOT match: "http://s3.amazonaws.com/bucket". AWS infrastructure, cloud storage, data pipelines.
Is the S3 Bucket URL regex beginner-friendly?
This pattern is rated Intermediate. It uses some advanced features like character classes and quantifiers.
What languages support the S3 Bucket URL 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 S3 Bucket URL 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.