diff options
| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2020-07-03 08:39:53 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2020-07-03 08:39:53 (GMT) |
| commit | 870670e4d40ffddec9c1fda18e8dabfeaa3d9afe (patch) | |
| tree | d221e83ed6bf4e67002ef94627963af7891cd86a /library | |
| parent | 22d9a275de6676c097e323284da1e19ae11a45f5 (diff) | |
| download | tcl-870670e4d40ffddec9c1fda18e8dabfeaa3d9afe.zip tcl-870670e4d40ffddec9c1fda18e8dabfeaa3d9afe.tar.gz tcl-870670e4d40ffddec9c1fda18e8dabfeaa3d9afe.tar.bz2 | |
In tcl_startOfPreviousWord, don't bother doing a regexp when $start <= 0.
Diffstat (limited to 'library')
| -rw-r--r-- | library/word.tcl | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/library/word.tcl b/library/word.tcl index 3e4bc3a..4e57479 100644 --- a/library/word.tcl +++ b/library/word.tcl @@ -146,7 +146,9 @@ proc tcl_startOfNextWord {str start} { proc tcl_startOfPreviousWord {str start} { variable ::tcl::WordBreakRE set word {-1 -1} - regexp -indices -- $WordBreakRE(previous) [string range $str 0 $start-1] \ - result word + if {$start > 0} { + regexp -indices -- $WordBreakRE(previous) [string range $str 0 $start-1] \ + result word + } return [lindex $word 0] } |