sql - Limit wildcard capture length postgreSQL -

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Is there a way to limit the number of characters seen in a wildcard '%' operator? Say that I only want to select the record with the two events of the 'July' phrase, I will include "like" "July July July" in my query, but now I want to choose only that in July 2 Each has 40 characters other. Is there any way to do this in SQL?

How to use? 

  SELECT * MyTable where my column ~ ~ July. [0, 40} July ';   
 (Note: Use  ~ *  instead of  ~  to get insensitive case code.

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