const regex = /#{1,6}.+(?=\n)/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('#{1,6}.+(?=\\n)', 'g')
const str = `
# Clean-er ReactJS Code - Conditional Rendering
## TL;DR
Move render conditions into appropriately named variables. Abstract the condition logic into a function. This makes the render function code a lot easier to understand, refactor, reuse, test, and think about.
## Introduction
Conditional rendering is when a logical operator determines what will be rendered. The following code is from the examples in the official ReactJS documentation. It is one of the simplest examples of conditional rendering that I can think of.
`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions