Indent string

JavaScript, String · Nov 1, 2020

Indents each line in the provided string.

  • Use String.prototype.replace() and a regular expression to add the character specified by indent count times at the start of each line.
  • Omit the third argument, indent, to use a default indentation character of ' '.
const indentString = (str, count, indent = ' ') =>
  str.replace(/^/gm, indent.repeat(count));
indentString('Lorem\nIpsum', 2); // '  Lorem\n  Ipsum'
indentString('Lorem\nIpsum', 2, '_'); // '__Lorem\n__Ipsum'

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