On Thu, May 10, 2018 at 9:09 PM, ToddAndMargo <toddandma...@zoho.com> wrote: > On 05/10/2018 07:06 PM, Brad Gilbert wrote: >> >> You could read how they work in PCRE > > > What is PCRE?
Perl Compatible Regular Expressions, Basically someone reimplemented the regular expression engine found in Perl, and that is the basis of what every other language uses.