javascript - Using RegEx to separate camelCase - how do i include special characters? -

this syntax using:

.split(' ') .join('+') .replace(/([a-z])/g, ' $1') .replace(/^./, function(str) {     return str.touppercase(); }) .replace(/\++/g, '') .replace(/asdf/g, ';') .replace(';', '') .replace(' ', '') .split(';'); 

this code helps me turn 'camelcase' 'camel case'. try variety of other things, replacing excess spaces 1 space through '+'s. replace 'asdf' ; , cut of first ; , first space.

problem: @ same time though, breaks german special characters, namely ÄÖÜ. turning them question marks in output.

i believe generates output this:  input: ... oberbayern:kreis eichstättasdf ... output: ... oberbayern: kreis eichst�tt; asdf ... 

please me.

you can try this:

logic

• check small character followed caps character.
• replace adding space it.
• now make 1st character uppercase

note: pointed out t.j. crowder, better use string.tolocaleuppercase, if available.

function seperatecamelcasewords(a) {    var regex = /([a-z])(?=[a-z])/g;      = a.replace(regex, "$1 ");    = upper(a.charat(0)) + a.substring(1)    console.log(a)    return a;  }    function upper(str){    return str.tolocaleuppercase ? str.tolocaleuppercase() : str.touppercase();  }    var = "thisisteststring";  var b = "kreiseichstätt"    seperatecamelcasewords(a);  seperatecamelcasewords(b);

you can use following logic match character except space followed capital character.

function seperatecamelcasewords(a) {    var regex = /([^ ])(?=[a-z])/g;    = a.replace(regex, "$1 ");    = upper(a.charat(0)) + a.substring(1)    console.log(a)    return a;  }    function upper(str){    return str.tolocaleuppercase ? str.tolocaleuppercase() : str.touppercase();  }    seperatecamelcasewords("thisisateststring");  seperatecamelcasewords("kreiseichstätt");  seperatecamelcasewords("kreisäeichstätt")