.
- Any character except newline.
/h.t matches “hat”, “hot” and “hit”, but not “heat”- The wildcard is only a single character.
- Broadest match possible.
- Most common metacharacter.
- Most common mistake.
/9.00/ matches “9.00”, “9500” and “9-00”- A good regular expression should match the text you want to target and ONLY that text, nothing more.
- Don’t want any false positives.
- Each symbol represents only 1 character in the string.
/g.d matches “g d” (spaces are matched as well).- It even matches other symbols like
#
- A line break is also considered a character. However, it does not match.
/.a.a.a/ will match “banana”, “papaya”
- The above example is identifying common traits.