TOML Key-Value Regex Pattern

Live Regex Tester

Pattern Breakdown

Code Examples

const regex = /^([a-zA-Z_][a-zA-Z0-9_]*)\s*=\s*(.+)$/gm;
const test = "port = 8080";
console.log(regex.test(test)); // true

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

import re

pattern = r'^([a-zA-Z_][a-zA-Z0-9_]*)\s*=\s*(.+)$'
test = "port = 8080"
match = re.findall(pattern, test)
print(match)  # Found!

package main

import (
    "fmt"
    "regexp"
)

func main() {
    re := regexp.MustCompile(`^([a-zA-Z_][a-zA-Z0-9_]*)\s*=\s*(.+)$`)
    fmt.Println(re.MatchString("port = 8080")) // true
}

Common Use Cases

Match Examples

About the TOML Key-Value Regex

Matches TOML configuration key-value pairs. Standard format for Rust (Cargo) and Python (pyproject) projects.

Regular expressions (regex) are powerful pattern matching tools used across virtually all programming languages. The toml key-value pattern is classified as <strong>beginner</strong> difficulty in the <strong>data formats</strong> 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.

More Data Formats Patterns