Changing strings in JS

string-changer.js

// Slug maker
			//===================================
			function slugify (value) {
			 	return value.toString().toLowerCase()
				.replace(/\s+/g, '-') 			// Replace spaces with -
				.replace(/_/g, '-')				// Replace underscores with -
				.replace(/[^\w\-]+/g, '') 		// Remove all non-word chars
				.replace(/\-\-+/g, '-') 		// Replace multiple - with single -
				.replace(/^-+/, '') 				// Trim - from start of text
				.replace(/-+$/, ''); 			// Trim - from end of text
			};

			// Databasify
			//===================================
			function databasify (value) {
				return value.toString().toLowerCase()
				.replace(/ /g,"_")				// Replace spaces with _ 			
				.replace(/[^\w\-]+/g, '') 		// Remove all non-word chars
				.replace(/-/g, '_')				// Replace dashed with _
				.replace(/\_\_+/g, '_') 		// Replace multiple - with single -
				.replace(/^-+/, '') 				// Trim - from start of text
				.replace(/-+$/, ''); 			// Trim - from end of text;
			};

			// Humanify maker
			//===================================
			function humanify (value) {
				return value.substring(0, 1).toUpperCase() + value.substring(1)
				.replace(/\-/g, ' ')				// Replace dash for space
				.replace(/\_/g, ' ')				// Replace underscores with space
				.replace(/\s\s+/g, ' ' )		// Replace mulitple spaces with one
				.replace(/[^a-z0-9\s]/gi, '');// Remove all non-word chars
			};