UNICODE_CI_AI 3.5.5. Character Indexes In Firebird earlier than version 2.0, a problem can occur with building an index for character columns that use a non-standard collation sequence: the length of an indexed highly formal, rather long top-down definitions). Feel free to skip it and read the next section, Building Regular Expressions, which uses a bottom-up approach, aimed at the rest of us. ALPHA | UPPER | LOWER | DIGIT | ALNUM | SPACE | WHITESPACE Building Regular Expressions In this section are the elements and rules for building SQL regular expressions. Characters Within regular expressions

being in control of the server, can neither detect nor prevent such activity. You might consider building your own version of the Firebird server with the decryption key hidden in the executable. However

Subtypes 46 3.5.5. Character Indexes In Firebird earlier than version 2.0, a problem can occur with building an index for character columns that use a non-standard collation sequence: the length of an indexed highly formal, rather long top-down definitions). Feel free to skip it and read the next section, Building Regular Expressions, which uses a bottom-up approach, aimed at the rest of us. ALPHA | UPPER | LOWER | DIGIT | ALNUM | SPACE | WHITESPACE Building Regular Expressions In this section are the elements and rules for building SQL regular expressions. Characters Within regular expressions