Write a regular expression to match any characters that are nonword characters, as defined by regular expression syntax.
Write a regular expression to match either of the words “fox” or “fix.”
Write a regular expression to match any single word followed by any nonword character.
Using regular expressions, write a PHP function to replace all occurrences of the word “the” in “The cow jumps over the moon” with the word “my.”
What HTML keyword is used to precomplete form fields with a value?