Check if a string has ANSI escape codes

$ npm install --save has-ansi

var hasAnsi = require('has-ansi');

hasAnsi('\u001b[4mcake\u001b[0m');
//=> true

hasAnsi('cake');
//=> false

• has-ansi-cli - CLI for this module
• strip-ansi - Strip ANSI escape codes
• ansi-regex - Regular expression for matching ANSI escape codes
• chalk - Terminal string styling done right

MIT © Sindre Sorhus