Lines Matching refs:letters

856 In the C locale, this matches any @acronym{ASCII} letters or digits.
983 special sequence made of a backslash and one of the letters
2200 The approach is to map numbers to letters, kind of an abacus
2213 rotate letters so that tens become @samp{a}s, and so on
2214 until no more letters remain.
3305 When caseless matching is set, any letters in a class
3338 @code{[\000-\037]}. If a range that includes letters is used when
3339 caseless matching is set, it matches the letters in either
3375 Matches letters and digits
3378 Matches letters
3393 Matches lower case letters
3399 Matches printing characters, excluding letters and digits
3405 Matches upper case letters
3435 a sequence of Perl option letters enclosed between @code{(?}
3436 and @code{)}. The option letters must be lowercase.
3545 option letters may appear between the @code{?} and the
3773 case of letters is relevant. For example,
4176 letters and @var{dd} are digits); otherwise it is matched against