Added regex_escape script function (was already used by keyword code);

Added icons for 'sort special rarity' choice.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@625 0fc631ac-6414-0410-93d0-97cfa31319b6

src/util/string.hpp

@@ -179,5 +179,16 @@ bool cannocial_name_compare(const String& a, const Char* b);
 /// Make sure a string is safe to use as a filename
 String clean_filename(const String& name);
 
+// ----------------------------------------------------------------------------- : Regular expressions
+
+/// Escape a single character for use in regular expressions
+String regex_escape(Char c);
+/// Escape a string for use in regular expressions
+String regex_escape(const String& s);
+
+/// Make sure the given regex does no capturing
+/** Basicly replaces "(" with "(?:" */
+String make_non_capturing(const String& re);
+
 // ----------------------------------------------------------------------------- : EOF
 #endif