added replace_all stock (by jtp10181)

plugins/include/string.inc

@@ -178,3 +178,18 @@ stock remove_filepath(szFilePath[], szFile[], pMax)
 
 	return;
 }
+
+/* Replaces a contained string
+   By jtp10181
+*/
+stock replace_all(string[], len, what[], with[])
+{
+	new withlen, charnum = 0;
+	
+	withlen = strlen(with);
+	
+	while (replace(string[charnum], len, what, with) != 0)
+	{
+		charnum += contain(string[charnum], with) + withlen;
+	}
+}