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Unicode escape sequence
| Глоссарий ИТ-терминов |
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.
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Hexadecimal, английский
- Шестнадцатиричный
- The base 16 number system (compare with binary). it is often used to express binary numbers in shorter strings than binary or octal. counting to 20 using two hex symbols: 01, 02, 03, 04, 05, 06, 07, 08, 09, 0a, 0b, 0c, 0d, 0e, 0f, 10, 11, 12, 13, 14. hex - short for hexadecimal.
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Hexadecimal escape sequence, английский
In regular expressions, a backslash followed by the letter ‘x’ followed by a sequence of hexadecimal digits. it matches a character in the target sequence that has the value that is specified by the two digits.
Control escape sequence, английский
In regular expressions, a backslash followed by the letter ‘c’ followed by one of the letters ‘a’ through ‘z’ or ‘a’ through ‘z’. it matches the ascii control character that is named by that letter.
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