faster it::replace, tests

2 files changed, 14 insertions, 5 deletions

diff --git a/it.class b/it.class
index 772364a..3055cb0 100644
--- a/it.class
+++ b/it.class
@@ -397,12 +397,17 @@ static function replace($replacements, $string, $p = array())
 	$patterns = array();
 
 	foreach (array_keys($replacements) as $pattern)
-		$patterns[] = it::convertregex($pattern, $p);
+		$patterns[] = !preg_match('/\\\\[wb]|[!\x80-\xff]|\[\[:/i', $pattern) && !$p ? "!$pattern!i" : it::convertregex($complex = $pattern, $p);
 
-	$oldlocale = setlocale(LC_CTYPE, 0);
-	setlocale(LC_CTYPE, 'de_CH');
-	$result = preg_replace($patterns, array_values($replacements), $string, isset($p['limit']) ? $p['limit'] : -1);
-	setlocale(LC_CTYPE, $oldlocale);
+	if (!$complex)
+		$result = preg_replace($patterns, array_values($replacements), $string);
+	else
+	{
+		$oldlocale = setlocale(LC_CTYPE, 0);
+		setlocale(LC_CTYPE, 'de_CH');
+		$result = preg_replace($patterns, array_values($replacements), $string, isset($p['limit']) ? $p['limit'] : -1);
+		setlocale(LC_CTYPE, $oldlocale);
+	}
 
 	return $result;
 }
diff --git a/tests/it.t b/tests/it.t
index 721fbf7..7b95b7e 100755
--- a/tests/it.t
+++ b/tests/it.t
@@ -210,6 +210,10 @@ is(
 	"test all=>1,pattern_order=>1"
 	);
 
+is(it::replace(array('\w' => "x"), "oö"), "xx");
+is(it::replace(array('\w' => "x", '#' => "!"), "#ö"), "!x");
+is(it::replace(array('#' => "!", '\w' => "x"), "#ö"), "!x");
+is(it::replace(array('ö' => "x"), "Ö"), "x");
 
 # it::filter_keys tests