From: jj4public@gmail.com   
      
   On Thu, 2 Sep 2021 03:08:01 -0400, Tom Del Rosso wrote:   
   > JJ wrote:   
   >> On Wed, 1 Sep 2021 15:30:18 -0400, Tom Del Rosso wrote:   
   >>> Here's a subroutine to get the length of a string that uses   
   >>> successive approximation so it runs very fast because it only loops   
   >>> 13 times (once for each bit of the resulting number) no matter how   
   >>> long the string is. [snip]   
   >>   
   >> Nice. Would definitely be part of by batch subs library.   
   >>   
   >> The method could be used as a fast `HasStr` sub. :)   
   >   
   > What does HasStr do? Find a substring?   
      
   Yes. A sub to check the existence of a substring when the index of the   
   substring doesn't matter. It's basically just a sub which finds the index of   
   a substring.   
      
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