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Regex Crossword
Cheatsheet
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Puzzle Title
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Regex Cheatsheet
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Pattern
Matches
.
Any character except newline
[A-Z]
Any uppercase letter
[0-9]
Any digit
\w
Word character (alphanumeric+underscore)
\d
Digit
*
Zero or more times
+
One or more times
?
Zero or one time
{n}
Exactly n times
(A|B)
Matches A or B