01-sitepoint-com-learn-regex-olmatro
https://www.sitepoint.com/learn-regex/
SOM: we’ll look at the simplest form of regular expression we can build. Input the following:
regex input field: cat test string: rat bat cat sat fat cats eat tat cat mat CAT
EOM: Starting and Ending Patterns You may have noticed that some positive matches are a result of partial matching.