unCamelCase.js

unCamelCase.js

/**
 * Turns someCrazyName into Some Crazy Name
 * Decent job of acroynyms:
 * ABCAcryonym => ABC Acryoynm
 * xmlHTTPRequest => Xml HTTP Request
 * It also handles numeric values:
 * seller1ID => Seller 1 ID
 */
String.prototype.unCamelCase = function(){
	return this
	// insert a space between lower/number & upper/number
	.replace(/([a-z]|[0-9])([A-Z]|[0-9])/g, '$1 $2')
            // space before last upper/number in a sequence followed by lower
            .replace(/\b([A-Z]+|[0-9]+)([A-Z])([a-z])/, '$1 $2$3')
            // uppercase the first character
            .replace(/^./, function (str) {
                return str.toUpperCase();
            })
}

// Or, one liner.
String.prototype.unCamelCase=function(){return this.replace(/([a-z]|[0-9])([A-Z]|[0-9])/g,'$1 $2').replace(/\b([A-Z]+|[0-9]+)([A-Z])([a-z])/,'$1 $2$3').replace(/^./,function(s){return s.toUpperCase();})}