RegularRegExpressionsEx101
Regular Expression
v1
No Match
/
/
mi
Substitution
Code Generator
Generated Code
const regex = /^[a-z0-9A-Z]{10,20}$/mi; const str = `asodfh89fdf5s `; let m; if ((m = regex.exec(str)) !== null) { // 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