---
layout: page
published: true
noToc: false
noComments: false
noDate: false
title: Fun - regex_demo.fun — overview
subtitle: Documentation for regex_demo.fun — overview
description: Documentation for regex_demo.fun — overview
permalink: /documentation/examples/regex_demo/
lang: en
tags:
- example
- regex_demo
---


What it shows
- Regex helpers usage; simple matching and replacement tasks.

How to run
- export FUN_LIB_DIR="./lib"
- ./build_debug/fun examples/regex_demo.fun
- Or: fun examples/regex_demo.fun

Notes
- Some regex examples depend on the optional PCRE2 extension; enable it in your build to run.