diff options
Diffstat (limited to 'ext/pcre/pcrelib/doc/pcretest.txt')
| -rw-r--r-- | ext/pcre/pcrelib/doc/pcretest.txt | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/ext/pcre/pcrelib/doc/pcretest.txt b/ext/pcre/pcrelib/doc/pcretest.txt index 0e13b6c6c5..54e989a83c 100644 --- a/ext/pcre/pcrelib/doc/pcretest.txt +++ b/ext/pcre/pcrelib/doc/pcretest.txt @@ -42,11 +42,11 @@ OPTIONS wrapper API is used to call PCRE. None of the other options has any effect when -p is set. - -t Run each compile, study, and match 20000 times - with a timer, and output resulting time per com- - pile or match (in milliseconds). Do not set -t - with -m, because you will then get the size output - 20000 times and the timing will be distorted. + -t Run each compile, study, and match many times with + a timer, and output resulting time per compile or + match (in milliseconds). Do not set -t with -m, + because you will then get the size output 20000 + times and the timing will be distorted. @@ -70,10 +70,18 @@ SunOS 5.8 Last change: 1 The program handles any number of sets of input on a single input file. Each set starts with a regular expression, and continues with any number of data lines to be matched - against the pattern. An empty line signals the end of the - data lines, at which point a new regular expression is read. - The regular expressions are given enclosed in any non- - alphameric delimiters other than backslash, for example + against the pattern. + + Each line is matched separately and independently. If you + want to do multiple-line matches, you have to use the \n + escape sequence in a single line of input to encode the new- + line characters. The maximum length of data line is 30,000 + characters. + + An empty line signals the end of the data lines, at which + point a new regular expression is read. The regular expres- + sions are given enclosed in any non-alphameric delimiters + other than backslash, for example /(a|bc)x+yz/ @@ -165,6 +173,7 @@ PATTERN MODIFIERS pcre_fullinfo() after compiling an expression, and output- ting the information it gets back. If the pattern is stu- died, the results of that are also output. + The /D modifier is a PCRE debugging feature, which also assumes /I. It causes the internal form of compiled regular expressions to be output after compilation. @@ -208,7 +217,8 @@ DATA LINES \t tab \v vertical tab \nnn octal character (up to 3 octal digits) - \xhh hexadecimal character (up to 2 hex digits) + + hexadecimal character (up to 2 hex digits) \x{hh...} hexadecimal UTF-8 character \A pass the PCRE_ANCHORED option to pcre_exec() @@ -217,7 +227,6 @@ DATA LINES after a successful match (any decimal number less than 32) \Gdd call pcre_get_substring() for substring dd - after a successful match (any decimal number less than 32) \L call pcre_get_substringlist() after a @@ -261,6 +270,7 @@ OUTPUT FROM PCRETEST re> /^abc(\d+)/ data> abc123 + 0: abc123 1: 123 data> xyz @@ -315,5 +325,5 @@ AUTHOR Cambridge CB2 3QG, England. Phone: +44 1223 334714 - Last updated: 15 August 2001 - Copyright (c) 1997-2001 University of Cambridge. + Last updated: 25 August 2002 + Copyright (c) 1997-2002 University of Cambridge. |