BytePane

INI Section Regex Pattern

Matches INI file section headers enclosed in square brackets. Used for parsing configuration files.

{}
Data Formats
Beginner
Difficulty
Universal
Language
gm
Flags
// Regular Expression
/^\[([^\]]+)\]$/gm

Live Regex Tester

Pattern Breakdown

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

Code Examples

JavaScript

const regex = /^\[([^\]]+)\]$/gm;
const test = "[database]";
console.log(regex.test(test)); // true

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

Python

import re

pattern = r'^\[([^\]]+)\]$'
test = "[database]"
match = re.findall(pattern, test)
print(match)  # Found!

Go

package main

import (
    "fmt"
    "regexp"
)

func main() {
    re := regexp.MustCompile(`^\[([^\]]+)\]$`)
    fmt.Println(re.MatchString("[database]")) // true
}

Common Use Cases

Configuration file parsingINI processingsettings management

Match Examples

InputResult
[database]Match
key=valueNo Match

About the INI Section Regex

Matches INI file section headers enclosed in square brackets. Used for parsing configuration files.

Regular expressions (regex) are powerful pattern matching tools used across virtually all programming languages. The ini section 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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Frequently Asked Questions

What is the INI Section regex pattern?

Matches INI file section headers enclosed in square brackets. Used for parsing configuration files.

How do I use the INI Section regex?

Use the pattern /^\[([^\]]+)\]$/gm in your code. In JavaScript: new RegExp('^\[([^\]]+)\]$', 'gm'). Test it above with your own input.

What does this INI Section regex match?

This pattern matches: "[database]". It does NOT match: "key=value". Configuration file parsing, INI processing, settings management.

Is the INI Section regex beginner-friendly?

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

What languages support the INI Section 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 INI Section 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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