Test, validate and match regular expressions
Matches whole words containing the substring 'statin', such as atorvastatin, simvastatin, rosuvastatin, or the plural 'statins'. Commonly used for extracting cholesterol-lowering medication mentions from clinical notes or pharmacovigilance text. Note: the [a-zA-z] range is likely a typo and unintentionally includes the ASCII characters [ \ ] ^ _ ` between 'Z' and 'a'. The gm flags find all matches across each line of input.