dart capitalize first letter of each word
extension CapExtension on String { String get inCaps => '${this[0].toUpperCase()}${this.substring(1)}'; String get allInCaps => this.toUpperCase(); String get capitalizeFirstofEach => this.split(" ").map((str) => str.capitalize).join(" "); } final helloWorld = 'hello world'.inCaps; // 'Hello world' final helloWorld = 'hello world'.allInCaps; // 'HELLO WORLD' final helloWorld = 'hello world'.capitalizeFirstofEach; // 'Hello World'