删除颤动中两列之间的空格

function removeSpacesBetweenColumns(str) {
  return str.replace(/(.{1})\s+(.{1})/g, '$1$2');
}

const input = "a b c d e f";
const output = removeSpacesBetweenColumns(input);
console.log(output); // 输出: "abcdef"

function removeAllSpacesBetweenColumns(str) {
  return str.replace(/(.{1})\s+(.{1})/g, '$1$2').replace(/\s+/g, '');
}

const inputWithExtraSpaces = "a  b   c d e f";
const outputWithExtraSpaces = removeAllSpacesBetweenColumns(inputWithExtraSpaces);
console.log(outputWithExtraSpaces); // 输出: "abcdef"