Game Development Reference
In-Depth Information
\d
(digit): Match any single digit.
\D
(non-digit): Match any non-digit character.
\s
(space): Match a white space.
\S
(non-space): Match any character that's not a space character.
\b
(word boundary): Find a match at the beginning or end of a word.
\B
(non-word boundary): Find a match that is not a word boundary.
\0
(null character): Matches the NULL character in a string.
\n
(new line character): Matches the new line character.
\f
(form feed character): Matches the form feed character.
\r
(return carriage character): Matches the form carriage character.
\t
(tab character): Matches the tab character.
\v
(vertical tab): Matches a vertical tab character.
+
(plus quantifier): Matches the previous expression or character one or more
times.
*
(star quantifier): Matches the previous expression or character zero or more
times.
?
(question mark quantifier): Matches the previous expression or character zero
or one time.
{3,5}
(bracket quantifier): Matches the previous expression a minimum and
maximum of times respectively. If the maximum digit is missing, the matches will
continue until a non-match is found. For example: \d{1,} matches one or more
digits.
