@technobuddha/library/dist/clean-start.js

A large library of useful functions

import { isRegExp } from "./is-reg-exp.js";
import { isString } from "./is-string.js";
import { trimEquivalent } from "./regexp.js";
import { splitChars } from "./split-chars.js";
import { empty } from "./unicode.js";
/**
 * Remove all occurrences of characters from the start of the string
 * @param input - The string
 * @param characters - The characters(s) to remove
 * @group String
 * @category Operations
 */
export function cleanStart(input, characters = trimEquivalent) {
    const re = isString(characters) ?
        splitChars(characters)
            .map((ch) => RegExp.escape(ch))
            .join('|')
        : isRegExp(characters) ? characters.source
            : characters
                .map((c) => isRegExp(c) ?
                c.source
                : splitChars(c)
                    .map((ch) => RegExp.escape(ch))
                    .join('|'))
                .join('|');
    return input.replace(new RegExp(`^(${re})+`, 'u'), empty);
}
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