How to Convert Regex to Code

Convert regex patterns to code in JavaScript, Python, Java, and more. Free regex code generator with ready-to-use snippets.

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Step-by-Step Guide

1

Enter your regex pattern

Type or paste your regular expression pattern into the input field. Include flags if needed (e.g., /pattern/gi or pattern with flag selectors).

2

Choose your target language

Select the programming language you want to generate code for: JavaScript, Python, Java, Go, PHP, Ruby, or C#. Each language has different regex syntax and APIs.

3

Select the operation

Choose what you want to do: test/match (check if pattern matches), find all matches, replace matches, or split by pattern. The generated code will reflect your choice.

4

Copy the generated code

The tool generates ready-to-use code with your regex pattern embedded. Copy it and paste directly into your project. The code includes comments explaining each part.

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Frequently Asked Questions

Why convert regex to code?
Regex syntax is similar across languages, but the APIs differ. Converting to code saves time and ensures correct usage of the language's regex methods and flags.
What languages are supported?
Common languages include: JavaScript, Python, Java, Go, PHP, Ruby, C#, Swift, Kotlin, and Rust. Each with idiomatic code style and proper escaping.
Can I see explanations?
Yes. The generated code includes comments explaining the regex pattern, what each flag does, and how the matching/replacement logic works.
Related Reference

Regex Cheat Sheet

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