This was followed by a 200 ms screen-centered mask consisting of a string of eight random punctuation characters (selected with replacement from: =, ^, <, >, and |).
The book rightly recommends forcing users to mix uppercase and lowercase characters, digits and punctuation characters to create more secure passwords.
Tokens are split on all whitespace and most punctuation characters, with exceptions for brackets, colons, and other symbols in certain situations to preserve entities such as chemical names as a single token.
For example, the tokeniser implemented in the ChemDataExtractor package [22] overrides some rules in the Penn Treebank policy to better handle chemical entities: Tokens are split on all whitespace and most punctuation characters, with exceptions for brackets, colons, and other symbols in certain situations to preserve entities such as chemical names as a single token.
After concatenating the title and abstract for each document, all punctuation characters except apostrophes were removed from the text and replaced with a single space.
The detection of abbreviations and, which is closely related, the identification of the syntactic function of punctuation characters is important due to the frequency of both phenomena in clinical narratives [ 3].
Additionally, be sure to add punctuation characters and accent characters.
To create special punctuation characters, hold down the Alt key while typing the appropriate punctuation mark: ¿: ALT + ! ¡: ALT + ? Use the following Option-key combinations.These key combinations will work in all applications.
They describe the word case, punctuation, special characters, numerical characters, and the morphology of the word.
