Regexp - Non-printing characters


Regexp - Non-printing characters


encoding non-printing characters

Encoding type


Regexp - Backslash

Encoding Description
\a alarm, that is, the BEL character (hex 07)
\cx “control-x”, where x is any character
\e escape (hex 1B)
\f formfeed (hex 0C)
\n newline (hex 0A)
\p{xx} a character with the xx property, see unicode properties for more info
\P{xx} a character without the xx property, see unicode properties for more info
\r carriage return (hex 0D)
\t tab (hex 09)
\xhh character with hex code hh
\ddd character with octal code ddd, or backreference

See the documentation of the regexp function.

Binary character

You can also use the binary character (in Unicode) (binary zero terminates a pattern):

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