--- rpm-5.4.9/build/parseReqs.c.trig_pcre~	2009-06-13 11:07:44.000000000 +0200
+++ rpm-5.4.9/build/parseReqs.c	2012-05-15 03:05:07.438054281 +0200
@@ -110,7 +110,7 @@ rpmRC parseRCPOT(Spec spec, Package pkg,
 	ix = 0;
 	if (N[ix] == '!')
 	    ix++;
-	if (!(xisalnum(N[ix]) || N[ix] == '_' || N[ix] == '/'
+	if (!(xisalnum(N[ix]) || N[ix] == '_' || N[ix] == '/' || N[ix] == '^'
 	 || (nr > 5 && N[ix] == '%' && N[ix+1] == '{' && N[nr-1] == '}')))
 	{
 	    rpmlog(RPMLOG_ERR,
--- rpm-5.4.9/lib/psm.c.trig_pcre~	2012-05-15 03:05:07.085052367 +0200
+++ rpm-5.4.9/lib/psm.c	2012-05-15 03:07:11.367726113 +0200
@@ -67,6 +67,9 @@
 
 #include "debug.h"
 
+#define PATT_ISDIR(patt, len)	((patt[0] == '/' && patt[len-1] == '/') || \
+		(patt[0] == '^' && patt[len-1] == '$' && patt[len-2] == '/'))
+
 #define	_PSM_DEBUG	0
 /*@unchecked@*/
 int _psm_debug = _PSM_DEBUG;
@@ -1285,11 +1288,11 @@ static rpmRC handleOneTrigger(const rpmp
 
 	bingo = 0;		/* no trigger to fire. */
 	depName = (char *) rpmdsN(Tds);
-	if (depName[0] == '/') {
+	if (depName[0] == '^' || depName[0] == '/') {
 	    size_t nb = strlen(depName);
-	    if (Glob_pattern_p(depName, 0)) {
+	    if (depName[0] == '^' || Glob_pattern_p(depName, 0)) {
 		rpmds ds = NULL;
-		if (depName[nb-1] == '/') {
+		if (PATT_ISDIR(depName, nb)) {
 		    /* XXX Dirnames w trailing "/" needed. */
 		    if (Dds == NULL)
 			Dds = rpmdsNew(sourceH, RPMTAG_DIRNAMES, 0x2);
@@ -1300,7 +1303,7 @@ static rpmRC handleOneTrigger(const rpmp
 		    ds = rpmdsLink(Fds, "Triggers");
 		}
 		if (mire == NULL)
-		    mire = mireNew(RPMMIRE_GLOB, 0);
+		    mire = mireNew(depName[0] == '^' ? RPMMIRE_PCRE : RPMMIRE_GLOB, 0);
 
 		xx = mireRegcomp(mire, depName);
 		if ((ds = rpmdsInit(ds)) != NULL)
@@ -1318,7 +1321,7 @@ static rpmRC handleOneTrigger(const rpmp
 	    }
 
 	    /* If not matched, and directory trigger, try dir names. */
-	    if (!bingo && depName[nb-1] == '/') {
+	    if (!bingo && PATT_ISDIR(depName, nb)) {
 		/* XXX Dirnames w trailing "/" needed. */
 		if (Dds == NULL)
 		    Dds = rpmdsNew(sourceH, RPMTAG_DIRNAMES, 0x2);
@@ -1401,9 +1404,9 @@ static int rpmdbTriggerGlobs(rpmpsm psm)
     if (keys)
     for (i = 0; i < nkeys; i++) {
 	char * t = (char *) keys[i];
-	if (!Glob_pattern_p(t, 0))
+	if (!(t[0] == '^' || Glob_pattern_p(t, 0)))
 	    continue;
-	xx = mireAppend(RPMMIRE_GLOB, 0, t, NULL,
+	xx = mireAppend(t[0] == '^' ? RPMMIRE_PCRE : RPMMIRE_GLOB, 0, t, NULL,
 		(miRE *)&psm->Tmires, &psm->nTmires);
 	xx = argvAdd(&psm->Tpats, t);
     }
@@ -1461,7 +1464,7 @@ static rpmRC runTriggersLoop(rpmpsm psm,
 		const char * pattern = psm->Tpats[j];
 		if (depName[nName-1] != '/') {
 		    size_t npattern = strlen(pattern);
-		    depName[nName] = (pattern[npattern-1] == '/') ? '/' : '\0';
+		    depName[nName] = PATT_ISDIR(pattern, npattern) ? '/' : '\0';
 		}
 		if (mireRegexec(mire, depName, 0) < 0)
 		    /*@innercontinue@*/ continue;
@@ -1634,14 +1637,14 @@ assert(fi->h != NULL);
 
 	/* If not limited to NEVRA triggers, use file/dir index. */
 	if (tagno != RPMTAG_NAME) {
+	    size_t nb = strlen(N);
 	    /* XXX if trigger name ends with '/', use dirnames instead. */
-	    if (N[0] == '/') 
-		tagno = (N[strlen(N)-1] == '/')
-			? RPMTAG_DIRNAMES : RPMTAG_FILEPATHS;
+	    if (N[0] == '^' || N[0] == '/') 
+		tagno = (PATT_ISDIR(N, nb)) ? RPMTAG_DIRNAMES : RPMTAG_FILEPATHS;
 	}
 	/* XXX For now, permit globs only in unversioned triggers. */
-	if ((EVR == NULL || *EVR == '\0') && Glob_pattern_p(N, 0))
-	    xx = rpmdbMireApply(rpmtsGetRdb(ts), tagno, RPMMIRE_GLOB, N, &keys);
+	if ((EVR == NULL || *EVR == '\0') && (N[0] == '^' || Glob_pattern_p(N, 0)))
+	    xx = rpmdbMireApply(rpmtsGetRdb(ts), tagno, N[0] == '^' ? RPMMIRE_PCRE : RPMMIRE_GLOB, N, &keys);
 	else
 	    xx = argvAdd(&keys, N);
     }
@@ -1657,10 +1660,10 @@ assert(fi->h != NULL);
 
 	/* If not limited to NEVRA triggers, use file/dir index. */
 	if (tagno != RPMTAG_NAME) {
+	    size_t nb = strlen(Name);
 	    /* XXX if trigger name ends with '/', use dirnames instead. */
-	    if (Name[0] == '/') 
-		tagno = (Name[strlen(Name)-1] == '/')
-			? RPMTAG_DIRNAMES : RPMTAG_FILEPATHS;
+	    if (Name[0] == '^' || Name[0] == '/') 
+		tagno = PATT_ISDIR(Name, nb) ? RPMTAG_DIRNAMES : RPMTAG_FILEPATHS;
 	}
 
 	mi = rpmtsInitIterator(ts, tagno, Name, 0);