diff options
| -rw-r--r-- | pod/perlreref.pod | 52 |
1 files changed, 28 insertions, 24 deletions
diff --git a/pod/perlreref.pod b/pod/perlreref.pod index fc38b1372c..700814140d 100644 --- a/pod/perlreref.pod +++ b/pod/perlreref.pod @@ -104,15 +104,19 @@ This one works differently from normal strings: [f-j-] Dash escaped or at start or end means 'dash' [^f-j] Caret indicates "match any character _except_ these" -The following work within or without a character class: - - \d A digit, same as [0-9] - \D A nondigit, same as [^0-9] - \w A word character (alphanumeric), same as [a-zA-Z0-9_] - \W A non-word character, [^a-zA-Z0-9_] - \s A whitespace character, same as [ \t\n\r\f] - \S A non-whitespace character, [^ \t\n\r\f] - \C Match a byte (with Unicode, '.' matches char) +The following sequences work within or without a character class. +The first six are locale aware, all are Unicode aware. The default +character class equivalent are given. See L<perllocale> and +L<perlunicode> for details. + + \d A digit [0-9] + \D A nondigit [^0-9] + \w A word character [a-zA-Z0-9_] + \W A non-word character [^a-zA-Z0-9_] + \s A whitespace character [ \t\n\r\f] + \S A non-whitespace character [^ \t\n\r\f] + + \C Match a byte (with Unicode, '.' matches a character) \pP Match P-named (Unicode) property \p{...} Match Unicode property with long name \PP Match non-P @@ -121,21 +125,21 @@ The following work within or without a character class: POSIX character classes and their Unicode and Perl equivalents: - alnum IsAlnum Alphanumeric - alpha IsAlpha Alphabetic - ascii IsASCII Any ASCII char - blank IsSpace [ \t] Horizontal whitespace (GNU) - cntrl IsCntrl Control characters - digit IsDigit \d Digits - graph IsGraph Alphanumeric and punctuation - lower IsLower Lowercase chars (locale aware) - print IsPrint Alphanumeric, punct, and space - punct IsPunct Punctuation - space IsSpace [\s\ck] Whitespace - IsSpacePerl \s Perl's whitespace definition - upper IsUpper Uppercase chars (locale aware) - word IsWord \w Alphanumeric plus _ (Perl) - xdigit IsXDigit [\dA-Fa-f] Hexadecimal digit + alnum IsAlnum Alphanumeric + alpha IsAlpha Alphabetic + ascii IsASCII Any ASCII char + blank IsSpace [ \t] Horizontal whitespace (GNU extension) + cntrl IsCntrl Control characters + digit IsDigit \d Digits + graph IsGraph Alphanumeric and punctuation + lower IsLower Lowercase chars (locale and Unicode aware) + print IsPrint Alphanumeric, punct, and space + punct IsPunct Punctuation + space IsSpace [\s\ck] Whitespace + IsSpacePerl \s Perl's whitespace definition + upper IsUpper Uppercase chars (locale and Unicode aware) + word IsWord \w Alphanumeric plus _ (Perl extension) + xdigit IsXDigit [0-9A-Fa-f] Hexadecimal digit Within a character class: |