basis/xmode/modes/regex.xml

   1 <?xml version="1.0"?>
   2
   3 <!DOCTYPE MODE SYSTEM 'xmode.dtd'>
   4
   5 <!-- Regular Expression mode, by Kevin Hunter -->
   6
   7 <!-- Currently implemented artifacts:
   8 ***** Classes
   9 [...] - user-defined character classes
  10 \d - Numerical characters (eq. [0-9])
  11 \D - Non-numerical characters (eq. [^0-9])
  12 \w - Alphanumeric characters and underscore (eq. [A-Za-z0-9_])
  13 \W - Opposite of \w (eq. [^A-Za-z0-9_])
  14 \s - Whitespace characters (ex. space, tab, formfeed, newline)
  15 \S - Non-whitespace characters
  16 \b - Word-break character
  17 .  - Any character, generally not including a newline (\n)
  18
  19 ***** Operators
  20 ^ - Match at beginning of string
  21 $ - Match at end of string
  22 ? - optionally match previous item token
  23 * - Match previous token 0 or more times.
  24 + - Match previous token 1 or more times.
  25 | - Logical OR, allowing the previous token or next token to match
  26 {m} - Match previous token exactly m times.
  27 {m,} - Match previous token at least m times
  28 {m,n} - Match previous token between m and n times, inclusive.
  29
  30 ***** Functions
  31 [^...] - negate user-defined character classes
  32 (...) - Backreference - effectively save the matched part for later use
  33 (?:...) - Group - Don't save, just mark the section of the pattern as a group
  34 (?=...) - zero-width positive lookahead assertion
  35 (?!...) - zero-width negative lookahead assertion
  36 (?<=...) - zero-width positive lookbehind assertion
  37 (?<!...) - zero-width negative lookbehind assertion
  38
  39 -->
  40 <MODE>
  41         <RULES IGNORE_CASE='FALSE' HIGHLIGHT_DIGITS='TRUE' SET='FORCED_NUMBER'>
  42                 <SEQ TYPE='OPERATOR'>,</SEQ>
  43         </RULES>
  44
  45         <RULES IGNORE_CASE='FALSE' HIGHLIGHT_DIGITS='TRUE'>
  46                 <SEQ TYPE='NULL'>\\</SEQ>
  47                 <SEQ TYPE='NULL'>\(</SEQ>
  48                 <SEQ TYPE='NULL'>\)</SEQ>
  49                 <SEQ TYPE='NULL'>\[</SEQ>
  50                 <SEQ TYPE='NULL'>\]</SEQ>
  51                 <SEQ TYPE='NULL'>\{</SEQ>
  52                 <SEQ TYPE='NULL'>\}</SEQ>
  53                 <SEQ TYPE='NULL'>\^</SEQ>
  54                 <SEQ TYPE='NULL'>\$</SEQ>
  55                 <SEQ TYPE='NULL'>\?</SEQ>
  56                 <SEQ TYPE='NULL'>\+</SEQ>
  57                 <SEQ TYPE='NULL'>\*</SEQ>
  58                 <SEQ TYPE='NULL'>\.</SEQ>
  59                 <SEQ TYPE='NULL'>\|</SEQ>
  60
  61                 <SEQ TYPE='OPERATOR'>^</SEQ>
  62                 <SEQ TYPE='OPERATOR'>$</SEQ>
  63                 <SEQ TYPE='OPERATOR'>?</SEQ>
  64                 <SEQ TYPE='OPERATOR'>*</SEQ>
  65                 <SEQ TYPE='OPERATOR'>+</SEQ>
  66                 <SEQ TYPE='OPERATOR'>|</SEQ>
  67
  68                 <SEQ TYPE='KEYWORD1'>\b</SEQ>
  69
  70                 <SEQ TYPE='DIGIT'>\d</SEQ>
  71                 <SEQ TYPE='LITERAL2'>\D</SEQ>
  72
  73                 <SEQ TYPE='KEYWORD3'>\w</SEQ>
  74                 <SEQ TYPE='KEYWORD3'>.</SEQ>
  75                 <SEQ TYPE='LITERAL3'>\W</SEQ>
  76
  77                 <SEQ TYPE='KEYWORD4'>\s</SEQ>
  78                 <SEQ TYPE='LITERAL4'>\S</SEQ>
  79
  80                 <SPAN TYPE='FUNCTION' DELEGATE='MAIN'>
  81                         <BEGIN>[^</BEGIN> <!-- user-defined negative character class -->
  82                         <END>]</END>
  83                 </SPAN>
  84
  85                 <SPAN TYPE='FUNCTION' DELEGATE='MAIN'>
  86                         <BEGIN>(?=</BEGIN> <!-- zero-width positive lookahead assertion -->
  87                         <END>)</END>
  88                 </SPAN>
  89                 <SPAN TYPE='FUNCTION' DELEGATE='MAIN'>
  90                         <BEGIN>(?!</BEGIN> <!-- zero-width negative lookahead assertion -->
  91                         <END>)</END>
  92                 </SPAN>
  93                 <SPAN TYPE='FUNCTION' DELEGATE='MAIN'>
  94                         <BEGIN><![CDATA[(?<=]]></BEGIN> <!-- zero-width positive lookbehind assertion -->
  95                         <END>)</END>
  96                 </SPAN>
  97                 <SPAN TYPE='FUNCTION' DELEGATE='MAIN'>
  98                         <BEGIN><![CDATA[(?<!]]></BEGIN> <!-- zero-width negative lookbehind assertion -->
  99                         <END>)</END>
 100                 </SPAN>
 101                 <SPAN TYPE='FUNCTION' DELEGATE='MAIN'>
 102                         <BEGIN>(?:</BEGIN> <!-- unsaved group -->
 103                         <END>)</END>
 104                 </SPAN>
 105
 106                 <SPAN TYPE='OPERATOR' DELEGATE='FORCED_NUMBER'>
 107                         <BEGIN>{</BEGIN>
 108                         <END>}</END>
 109                 </SPAN>
 110                 <SPAN TYPE='OPERATOR' DELEGATE='MAIN'>
 111                         <BEGIN>[</BEGIN> <!-- user-defined character class -->
 112                         <END>]</END>
 113                 </SPAN>
 114                 <SPAN TYPE='FUNCTION' DELEGATE='MAIN'>
 115                         <BEGIN>(</BEGIN> <!-- saved group (backreference) -->
 116                         <END>)</END>
 117                 </SPAN>
 118         </RULES>
 119
 120 </MODE>
 121