pattern: ^[\w.-]+@[\w.-]+\.[A-Za-z]{2,}$
flags: i
text: hello@example.com

Regex Code Generator

Generate JavaScript, Python, PHP, and Java regex snippets from a pattern and test text.

How to use this tool

Regex Code Generator: Paste input, load the sample if needed, choose an action, review the output, and copy the result.

Usage boundaries and result checks

Regex Code Generator is for this task: Generate JavaScript, Python, PHP, and Java regex snippets from a pattern and test text. It runs in the browser; start with a short, non-sensitive sample and confirm the behavior before processing more data.

Best use

Use it for a focused Regex Code Generator task when a quick browser workbench is appropriate.

Input

source code or markup snippets

Output

formatted text or a compact representation

Before reuse

For Regex Code Generator: Run the result through the target parser, linter, compiler, or test suite; readable formatting does not prove semantic correctness. See the test method.