include ffl/rgx.fs \ Create a regular expression variable 'exp' in the dictionary rgx-create exp \ Compile an expression s" Hello (World)" exp rgx-compile [IF] .( Regular expression successful compiled.) cr [THEN] \ (Case sensitive) match a string with the expression s" Hello World" exp rgx-cmatch? [IF] .( String matches with the expression.) cr [ELSE] .( No match.) cr [THEN]