- First challenge –> how many paragraphs start with the capital letter “I” as a single word.
- Make sure you’re not using global mode.
- Need to switch to multiline mode.
- Word boundary is useful here.
/^I\b/
- Need to make sure you are using the caret character, not
\A.
- Second challenge –> How many paragraphs end with a
?
- Need to leave it in multiline mode and use global mode.
- Need to use the
$ to say it is the end.
\Z would not match here, because it is not the end of a string, just the end of a line./\?$/
- Final challenge –> Find all words that have exactly 15 letters, including hyphenated ones.
- Use quantified repetition.
- Need to use word boundaries.
/\b[\w\-]{15}\b/- Underscores are included by default.
- Need to be aware of hyphens.