@modern-kit/utils/dist/string/extractLetters/index.mjs

modern-kit/utils

import { objectKeys } from '../../object/objectKeys/index.mjs';

const CHAR_PATTERNS = {
  letters: "\\p{L}",
  // 모든 문자
  numbers: "\\p{N}",
  // 모든 숫자
  specialCharacters: "\\p{S}\\p{P}",
  // 모든 특수 문자
  whiteSpace: "\\s"
  // 모든 공백 문자
};
const getRegexByOptions = (options) => {
  const keys = objectKeys(options);
  let pattern = "";
  for (let i = 0; i < keys.length; i++) {
    const key = keys[i];
    if (options[key]) {
      pattern += CHAR_PATTERNS[key];
    }
  }
  return new RegExp(`[^${pattern}]`, "gu");
};
function extractLetters(value, options = { letters: true }) {
  const regex = getRegexByOptions(options);
  return value.replace(regex, "");
}

export { extractLetters };
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