将MySQL存储过程转换为PostgreSQL函数。我如何处理这些replace（）调用？

I am just about finished converting 84 stored procedures from MySQL to PostgreSQL functions. The only thing that has not been figured out is what to do with the replace() calls. The function doesn't exist in PostgreSQL. I am sure someone has had to do this before. Any suggestions?I am just about finished converting 84 stored p