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Diffstat (limited to 'jim_tcl.txt')
| -rw-r--r-- | jim_tcl.txt | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/jim_tcl.txt b/jim_tcl.txt index 959aff2..bf23f0d 100644 --- a/jim_tcl.txt +++ b/jim_tcl.txt @@ -1003,13 +1003,14 @@ See REG_EXTENDED in the documentation. Using the system-supported POSIX regular expressions will typically make for the smallest code size, but some features such as UTF-8 -and +{backslash}w+, +{backslash}d+, +{backslash}s+ are not supported. +and +{backslash}w+, +{backslash}d+, +{backslash}s+ are not supported, and null characters +in strings are not supported. See regex(3) and regex(7) for full details. Jim built-in Regular Expressions ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -The Jim built-in regulare expression engine may be selected with +./configure --with-jim-regexp+ +The Jim built-in regular expression engine may be selected with +./configure --with-jim-regexp+ or it will be selected automatically if UTF-8 support is enabled. This engine supports UTF-8 as well as some +ARE+ features. The differences with both Tcl 7.x/8.x @@ -1023,6 +1024,7 @@ and POSIX are highlighted below. 6. Backslash escapes may be used within regular expressions, such as +{backslash}n+ = newline, +{backslash}uNNNN+ = unicode 7. Support for the +?+ non-greedy quantifier. e.g. +*?+ 8. Support for non-capuring parentheses +(?:...)+ +9. Jim Tcl considers that both patterns and strings end at a null character (+\x00+) COMMAND RESULTS --------------- |