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 beginner difficulty in the data formats 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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