Delimiter Balance checker
Find unmatched or misordered brackets, braces, and parentheses in text or code snippets.
How to use the Delimiter Balance checker
What does the Delimiter Balance checker do?
Find unmatched or misordered brackets, braces, and parentheses in text or code snippets; It applies this page-specific rule: find unmatched or misordered brackets, braces, and parentheses in text or code snippets.
Which inputs does this tool use?
To find unmatched or misordered brackets, braces, and parentheses in text or code snippets, enter Input, Result; keep every value in the same example; select Check input when the values are ready; Start with a familiar case covered by this rule - Enter the value or list you want to check in the labeled controls - so the expected result can confirm the settings.
How should the tool result be read?
For a result intended to find unmatched or misordered brackets, braces, and parentheses in text or code snippets, enter the value or list you want to check in the labeled controls; read result together with the original input rather than as an isolated answer, and confirm that its units or structure match the intended use.
Can brackets inside quoted strings be ignored?
When the goal is to find unmatched or misordered brackets, braces, and parentheses in text or code snippets, this implementation scan characters with a stack, optionally ignore configurable string literals and comments, and report unexpected closers, mismatched pairs, and unclosed openers.
Does it support custom delimiter pairs?
When using the page to find unmatched or misordered brackets, braces, and parentheses in text or code snippets, the tool handles only the format and rules described on this page.
Limits and accuracy
When using this tool to find unmatched or misordered brackets, braces, and parentheses in text or code snippets, your work is processed in this browser tab; a passing result confirms the rules tested on this page, but it does not prove that an address, identifier, account, or remote resource exists; keep input until the output has been checked in its intended destination.
What Delimiter Balance checker does
Find unmatched or misordered brackets, braces, and parentheses in text or code snippets.
Enter the value or list you want to check in the labeled controls. The Delimiter Balance checker result stays separate so you can review it before copying, downloading, or using it elsewhere.
Your work is processed in this browser tab. Keep the original whenever a conversion changes formatting, dimensions, or precision.
Frequently asked questions
Can brackets inside quoted strings be ignored?
This implementation scan characters with a stack, optionally ignore configurable string literals and comments, and report unexpected closers, mismatched pairs, and unclosed openers. The output is balance status, issue locations, expected delimiters, and nesting-depth statistics.
Does it support custom delimiter pairs?
The tool handles only the format and rules described on this page. It performs generic paired-delimiter analysis without compiling a particular programming or data language. It does not contact a remote validation or lookup service.
How are mismatch locations reported?
Input is processed by JavaScript in the current browser tab. Nothing entered in the tool is sent to Plain Tools; keep the original when the transformation is lossy.