What is the regex for websocket url?

The regex pattern for websocket url is `^wss?:\/\/[^\s/$.?#].[^\s]*$`. This pattern validates websocket url starting with ws:// or wss://.

How do I use this regex in JavaScript?

In JavaScript, create the regex with `const regex = /^wss?:\\/\\/[^\s\/$.?#].[^\s]*$/;` 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'^wss?:\/\/[^\s/$.?#].[^\s]*$', 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 (`/^wss?:\/\/[^\s/$.?#].[^\s]*$/i`) or use `re.IGNORECASE` in Python.

Regex for WebSocket URL

Regex Pattern

^wss?:\/\/[^\s/$.?#].[^\s]*$

WebSocket URL starting with ws:// or wss://

Quick Answer

The regex pattern for websocket url is `^wss?:\/\/[^\s/$.?#].[^\s]*$`. WebSocket URL starting with ws:// or wss://. This works in JavaScript, Python, Ruby, PHP, Java, and most regex engines that support PCRE syntax.

Test Examples

Input	Result
ws://example.com/socket	✓ Matches
wss://secure.example.com:443/ws	✓ Matches
ws://localhost:8080	✓ Matches
http://example.com	✗ No match
ws://	✗ No match
example.com/ws	✗ No match

Code Examples

javascript

const regex = /^wss?:\\/\\/[^\s\/$.?#].[^\s]*$/;
const isValid = regex.test(value);

python

import re
pattern = r'^wss?:\/\/[^\s/$.?#].[^\s]*$'
if re.match(pattern, value):
    print("valid")

ruby

pattern = /^wss?:\/\/[^\s/$.?#].[^\s]*$/
if value =~ pattern
  puts "valid"
end

php

if (preg_match('/^wss?:\\/\\/[^\s\/$.?#].[^\s]*$/', $value)) {
    echo "valid";
}

java

String pattern = "^wss?:\\/\\/[^\\s/$.?#].[^\\s]*$";
boolean isValid = value.matches(pattern);

Frequently Asked Questions

Related Regex Patterns

Subdomain Extraction

Extracts the subdomain from a URL or domain name

Protocol Detection

Detects and captures the protocol from a URL

Port Number

Extracts port number from a URL or host string

Query Parameter

Extracts key-value pairs from URL query strings

HTTP vs HTTPS URL

Matches HTTP or HTTPS URLs and captures the protocol

Data URL

Matches data: URL scheme with optional MIME type and base64 encoding