I have an array of characters:
var separators = ['a', 'b', 'c'];
I want to split a string by any of the characters in this array. For instance,
var str = 'adbasscdabda';
should become
var splitUpArray = ['d', 'ss', 'd', 'd'];
How do I achieve this? I have tried splitting the string by one character at a time and then concatenating the subarrays together, but this seems unwieldy.
For this example you can use .match method:
var str = 'adbasscdabda';
str.match(/[^abc]+/g); // ["d", "ss", "d", "d"]
A more universal solution:
var separators = ['a', 'b', 'c'];
var re = RegExp('[^' + separators.join('') + ']+', 'g');
var str = 'adbasscdabda';
str.match(re); // ["d", "ss", "d", "d"]
You could do one loop to replace all the characters in the first array with a set character and then do a .split() using that single char. That might be simpler to maintain.
var separators = ['a', 'b', 'c'];
var str = 'adbasscdabda';
for (var l = separators.length, i=0; i<l; i++) {
str.replace(separators[i], '|');
}
var splitUpArray = str.split('|');
Try this.
// Array.prototype.filter must be defined.
var splitStrByChars = function( str, chars ){
return str.split( new RegExp( "[" + chars.join('') + "]" ) ).filter(function(a){
return a ? a : null;
});
};
var str = "adbasscdabda";
var separators = ['a', 'b', 'c'];
console.log( splitStrByChars( str, separators ).join( ', ' ) == "d, ss, d, d" );
separators.join().replace(/,/g, '') so it's [abc] rather than [a,b,c] (?)match instead of split. oh well.