Sorting alphabetically, either by JAVA, JavaScript, or Idoc script

Currently, I have a task at hand that requires sorting items within categories alphabetically, with the exception of Examples. Special characters and numbers should be prioritized over letters in the sorting order.

I've encountered an issue where most standard sort functions and plugins use the ASCII table for sorting. In this table, symbols like ~, },{ etc. are indexed higher than letters. As a result:

1 - #1 A T
2 - A T
3 - {C T

My desired outcome is:

1 - #1 A T
2 - {C T
3 - A T

If you have any advice or examples to offer, please share them as soon as possible.

Thank you in advance for your help.

javajavascriptsortingalphabeticalidoc

Answer №1

To quickly solve the problem of time constraints, consider dividing the data into three separate arrays or lists based on their types: special characters, numbers, and alphabetic characters. Determine whether each element is a number or falls within the range of 'a' to 'Z'. Utilize methods like Collections.sort or Arrays.sort in Java to sort each array individually, then concatenate them without performing any further sorting. While untested, this approach appears promising.

Answer №2

To maintain the proper order, it's necessary to ensure that '100' doesn't come before '2'.

One approach is to divide the strings into individual characters and groups of numbers.

Arrange any number groups like actual numbers, and organize everything else based on character codes, while assigning a certain priority to each letter from a-z.

Array.prototype.a1Sort= function(){
    var a1, b1, rx=/(\d+)|(\D)/g, rd=/\d+/;
    return this.sort(function(a, b){
        a= a.toLowerCase().match(rx);
        b= b.toLowerCase().match(rx);
        while(a.length && b.length){
            a1= a.shift();
            b1= b.shift();
            if(rd.test(a1) || rd.test(b1)){
                if(!rd.test(a1)) return 1;
                if(!rd.test(b1)) return -1;
                if(a1!= b1) return a1-b1;
            }
            else{
                a1= a1.charCodeAt(0);
                b1= b1.charCodeAt(0);
                if(a1> 96 && a1<123) a1+= 1000;
                if(b1> 96 && b1<123) b1+= 1000;
                if(a1!= b1) return a1= b1;
            }
        }
        return a.length-b.length;
    });
}


var s1=['#1 A T','A T','{C T'];

alert(s1.customSort())

/*  returned value: (Array)
#1 A T,{C T,A T
*/

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