Trim all whitespace

trimAllWhitespace.js

/**
 * Trims https://invisible-characters.com/ with unicode regex, falls back to trim if unicode regex not supported.
 */
function trimAllWhitespace(str) {
    const whitespace = '\\s\u00AD\u034F\u061C\u115F\u1160\u17B4\u17B5\u180E\u2000-\u200F\u202F\u205F-\u2064\u206A-\u206F\u3000\u2800\u3164\uFEFF\uFFA0\u{1D159}\u{1D173}-\u{1D17A}';
    try {
        const re = new RegExp(`^[${whitespace}]+|[${whitespace}]+$`, 'gu');
        return str.replace(re, '');
    } catch(e) {
        return str.trim();
    }
}

trimAllWhitespace('abc	 ­͏؜ᅟᅠᅠ឴឵᠎            ​‌‍‎‏  ⁡⁢⁣⁤　⠀⠀ㅤﾠ𝅙𝅳𝅴𝅵𝅶𝅷𝅸𝅹𝅺');

TrimAllWhitespace.php

/**
 * Trims https://invisible-characters.com/
 */
function trimAllWhitespace(string $str): string
{
    return trim($str, " \t\n\r\0\v\u{00AD}\u{034F}\u{061C}\u{115F}\u{1160}\u{17B4}\u{17B5}\u{180E}\u{2000}..\u{200F}\u{202F}\u{205F}..\u{2064}\u{206A}..\u{206F}\u{3000}\u{2800}\u{3164}\u{FEFF}\u{FFA0}\u{1D159}\u{1D173}..\u{1D17A}");
}