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-rw-r--r--ChangeLog4
-rw-r--r--pcre_compile.c1
-rw-r--r--testdata/testinput110
-rw-r--r--testdata/testoutput116
4 files changed, 31 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index b843407..b6e3e25 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -20,6 +20,10 @@ Version 8.21
5. Supporting of \x, \U and \u in JavaScript compatibility mode based on the
ECMA-262 standard.
+6. Lookbehinds such as (?<=a{2}b) that contained a fixed repetition were
+ erroneously being rejected as "not fixed length" if PCRE_CASELESS was set.
+ This bug was probably introduced by change 9 of 8.13.
+
Version 8.20 21-Oct-2011
------------------------
diff --git a/pcre_compile.c b/pcre_compile.c
index 7ece490..0f875d0 100644
--- a/pcre_compile.c
+++ b/pcre_compile.c
@@ -1646,6 +1646,7 @@ for (;;)
need to skip over a multibyte character in UTF8 mode. */
case OP_EXACT:
+ case OP_EXACTI:
branchlength += GET2(cc,1);
cc += 4;
#ifdef SUPPORT_UTF8
diff --git a/testdata/testinput1 b/testdata/testinput1
index c913ee4..aa9ce42 100644
--- a/testdata/testinput1
+++ b/testdata/testinput1
@@ -4251,4 +4251,14 @@
/[:a]xxx[b:]/
:xxx:
+/(?<=a{2})b/i
+ xaabc
+ ** Failers
+ xabc
+
+/(?<!a{2})b/i
+ xabc
+ ** Failers
+ xaabc
+
/-- End of testinput1 --/
diff --git a/testdata/testoutput1 b/testdata/testoutput1
index 030f04f..5a025e2 100644
--- a/testdata/testoutput1
+++ b/testdata/testoutput1
@@ -6952,4 +6952,20 @@ No match
:xxx:
0: :xxx:
+/(?<=a{2})b/i
+ xaabc
+ 0: b
+ ** Failers
+No match
+ xabc
+No match
+
+/(?<!a{2})b/i
+ xabc
+ 0: b
+ ** Failers
+No match
+ xaabc
+No match
+
/-- End of testinput1 --/