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| author | Steve Bennett <steveb@workware.net.au> | 2013-11-10 11:07:20 +1000 |
|---|---|---|
| committer | Steve Bennett <steveb@workware.net.au> | 2016-02-02 12:48:14 +1000 |
| commit | 1ea06e8f2b15842aa68f2648b7ba70ab1038cf83 (patch) | |
| tree | de83536b167d10785ccce054e2ae656701551ab4 /jimregexp.c | |
| parent | 7d0ac6440939ca38cf2f7be89c856f76b0fb9f9a (diff) | |
| download | jimtcl-1ea06e8f2b15842aa68f2648b7ba70ab1038cf83.zip jimtcl-1ea06e8f2b15842aa68f2648b7ba70ab1038cf83.tar.gz jimtcl-1ea06e8f2b15842aa68f2648b7ba70ab1038cf83.tar.bz2 | |
regexp: add support for \D, \W and \S
These are the negated versions of \d, \w and \s
Signed-off-by: Steve Bennett <steveb@workware.net.au>
Diffstat (limited to 'jimregexp.c')
| -rw-r--r-- | jimregexp.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/jimregexp.c b/jimregexp.c index f1b7cd3..e3f7a22 100644 --- a/jimregexp.c +++ b/jimregexp.c @@ -797,7 +797,8 @@ static int regatom(regex_t *preg, int *flagp) preg->err = REG_ERR_COUNT_FOLLOWS_NOTHING; return 0; case '\\': - switch (*preg->regparse++) { + ch = *preg->regparse++; + switch (ch) { case '\0': preg->err = REG_ERR_TRAILING_BACKSLASH; return 0; @@ -810,13 +811,15 @@ static int regatom(regex_t *preg, int *flagp) ret = regnode(preg, WORDZ); break; case 'd': - ret = regnode(preg, ANYOF); + case 'D': + ret = regnode(preg, ch == 'd' ? ANYOF : ANYBUT); reg_addrange(preg, '0', '9'); regc(preg, '\0'); *flagp |= HASWIDTH|SIMPLE; break; case 'w': - ret = regnode(preg, ANYOF); + case 'W': + ret = regnode(preg, ch == 'w' ? ANYOF : ANYBUT); if ((preg->cflags & REG_ICASE) == 0) { reg_addrange(preg, 'a', 'z'); } @@ -827,7 +830,8 @@ static int regatom(regex_t *preg, int *flagp) *flagp |= HASWIDTH|SIMPLE; break; case 's': - ret = regnode(preg, ANYOF); + case 'S': + ret = regnode(preg, ch == 's' ? ANYOF : ANYBUT); reg_addrange_str(preg," \t\r\n\f\v"); regc(preg, '\0'); *flagp |= HASWIDTH|SIMPLE; @@ -865,7 +869,7 @@ static int regatom(regex_t *preg, int *flagp) /* Non-trailing backslash. * Is this a special escape, or a regular escape? */ - if (strchr("<>mMwds", preg->regparse[n])) { + if (strchr("<>mMwWdDsS", preg->regparse[n])) { /* A special escape. All done with EXACTLY */ break; } |