Replace only if the containing string length is greater than X

javascript, regex

Solution

Or if you want to do it that way:

function replaceWithMinLength (str, minLength) {
   str.replace(/\w+/, function(match) {
      if (match.length > minLength) {
        return match;
      } else {
        return str;
      }
   });
}

Problem

I've a regex that will only match one character of the strings. I want to test the lentgh of its containing string and if it was greater than 4 then make the replacement. For example, the regex is `/\d/`. I want to use the functional form of replace to match `12345` but not `1234`. Something like: ``` text.replace(regex, function(match) { if (STRING.length > 4) return replacement else return match; }); ``` Note: `/\d/` is just an example. I didn't mention the real regex to focus on my real question, illustrated above.

Original source