diff options
Diffstat (limited to 'Source/cmStringCommand.h')
| -rw-r--r-- | Source/cmStringCommand.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Source/cmStringCommand.h b/Source/cmStringCommand.h index 4423a90..30dbaa5 100644 --- a/Source/cmStringCommand.h +++ b/Source/cmStringCommand.h @@ -136,6 +136,9 @@ public: " [^ ] Matches any character(s) not inside the brackets\n" " - Inside brackets, specifies an inclusive range between\n" " characters on either side e.g. [a-f] is [abcdef]\n" + " To match a literal - using brackets, make it the first\n" + " or the last character e.g. [+*/-] matches basic\n" + " mathematical operators.\n" " * Matches preceding pattern zero or more times\n" " + Matches preceding pattern one or more times\n" " ? Matches preceding pattern zero or once only\n" @@ -144,6 +147,10 @@ public: " in the REGEX REPLACE operation. Additionally it is saved\n" " by all regular expression-related commands, including \n" " e.g. if( MATCHES ), in the variables CMAKE_MATCH_(0..9).\n" + "*, + and ? have higher precedence than concatenation. | has lower " + "precedence than concatenation. This means that the regular expression " + "\"^ab+d$\" matches \"abbd\" but not \"ababd\", and the regular " + "expression \"^(ab|cd)$\" matches \"ab\" but not \"abd\".\n" "TIMESTAMP will write a string representation of " "the current date and/or time to the output variable.\n" "Should the command be unable to obtain a timestamp " |