| Subject | English | Polish |
| comp., MS | escape sequence | sekwencja ucieczki (A character combination consisting of an escape character, usually a backslash, followed by a letter or by a combination of digits) |
| comp., MS | unicode escape sequence | sekwencja specjalna kodu unicode (In regular expressions, a backslash followed by the letter "u" followed by four hexadecimal digits. It matches a character in the target sequence that has the value that is specified by the four digits) |