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Diffstat (limited to 'doc/bashref.texi')
| -rw-r--r-- | doc/bashref.texi | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/bashref.texi b/doc/bashref.texi index 6614570b..494c3022 100644 --- a/doc/bashref.texi +++ b/doc/bashref.texi @@ -1034,6 +1034,10 @@ is enabled, the match is performed without regard to the case of alphabetic characters. Any part of the pattern may be quoted to force the quoted portion to be matched as a string. +Bracket expressions in regular expressions must be treated carefully, +since normal quoting characters lose their meanings between brackets. +If the pattern is stored in a shell variable, quoting the variable +expansion forces the entire pattern to be matched as a string. Substrings matched by parenthesized subexpressions within the regular expression are saved in the array variable @code{BASH_REMATCH}. The element of @code{BASH_REMATCH} with index 0 is the portion of the string |