diff options
Diffstat (limited to 'lib/impure/re.nim')
| -rw-r--r-- | lib/impure/re.nim | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/lib/impure/re.nim b/lib/impure/re.nim index e00f91de1..24fc83366 100644 --- a/lib/impure/re.nim +++ b/lib/impure/re.nim @@ -13,10 +13,6 @@ ## We had to de-deprecate this module since too much code relies on it ## and many people prefer its API over ``nre``'s. ## -## **Note:** The 're' proc defaults to the **extended regular expression -## syntax** which lets you use whitespace freely to make your regexes readable. -## However, this means matching whitespace requires ``\s`` or something similar. -## ## This module is implemented by providing a wrapper around the ## `PRCE (Perl-Compatible Regular Expressions) <http://www.pcre.org>`_ ## C library. This means that your application will depend on the PRCE @@ -78,7 +74,7 @@ proc finalizeRegEx(x: Regex) = if not isNil(x.e): pcre.free_substring(cast[cstring](x.e)) -proc re*(s: string, flags = {reExtended, reStudy}): Regex = +proc re*(s: string, flags = {reStudy}): Regex = ## Constructor of regular expressions. ## ## Note that Nim's @@ -96,6 +92,13 @@ proc re*(s: string, flags = {reExtended, reStudy}): Regex = result.e = pcre.study(result.h, options, addr msg) if not isNil(msg): raiseInvalidRegex($msg) +proc rex*(s: string, flags = {reStudy, reExtended}): Regex = + ## Constructor for extended regular expressions. + ## + ## The extended means that comments starting with `#` and + ## whitespace are ignored. + result = re(s, flags) + proc bufSubstr(b: cstring, sPos, ePos: int): string {.inline.} = ## Return a Nim string built from a slice of a cstring buffer. ## Don't assume cstring is '\0' terminated |