JavaScript capitalize first letter of string that contains Turkish character

Asked Apr 09 '21 at 13:52

Active Apr 09 '21 at 15:39

Viewed 32 times

I aim to capitalize just first letter of each word in a string. (The other letters of the strings must be lowercase)

I have checked similar questions but could not find an exact solution for unicode characters.

For example

My string "şöhret için önce çalışmak/gerek"

I want to have "Şöhret İçin Önce Çalışmak/Gerek"

My solution does not work for Turkish characters:

myStr.toLocaleLowerCase("TR").replace(/\b[a-zığüşöç](?=[a-zığüşöç]{0})/g, function(letter) {
    return letter.toLocaleUpperCase("TR"); } );

Result for solution above:

"şöHret İÇİn öNce çAlIşMak/Gerek"

I also used hexadecimal representation of Turkish character but result did not changed

edited Apr 09 '21 at 15:20

asked Apr 09 '21 at 13:52

Nas Ahmet

2

Remove `\b`, use a Unicode equivalent. See [this regex demo](https://regex101.com/r/EV8jn9/1). – Wiktor Stribiżew Apr 09 '21 at 13:55
Thanks but does not work in jsvascript – Nas Ahmet Apr 09 '21 at 15:23
1

It works in JavaScript, the regex flavor is JS in the demo. If you want to use custom boundaries, use solutions from [Javascript RegExp + Word boundaries + unicode characters](https://stackoverflow.com/questions/10590098/javascript-regexp-word-boundaries-unicode-characters). E.g. those based on XRegExp. – Wiktor Stribiżew Apr 09 '21 at 15:40
Wiktor. Could you please write a complete JavaScript function? I could not achieve it. – Nas Ahmet Apr 09 '21 at 16:42
2

See https://jsfiddle.net/wiktor_stribizew/pv06juhw/1/ – Wiktor Stribiżew Apr 09 '21 at 16:45

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