3 Answers. The hyphen is mostly a normal character in regular expressions. You do not need to escape the hyphen outside of a character class; it has no special meaning.

Is a symbol of dash?

The hyphen (-), the shortest of the three marks, is familiar (sometimes wretchedly so) to most writers. So is the em dash (—), more often called the long dash, or sometimes just the dash. The middle-length en dash (–) is the most mysterious of the three.

What counts as a special character?

A special character is one that is not considered a number or letter. Symbols, accent marks, and punctuation marks are considered special characters. Similarly, ASCII control characters and formatting characters like paragraph marks are also special characters.

: a symbol used in writing, typing, etc., that represents something other than a letter or number.

What is a dash example?

Dashes replace otherwise mandatory punctuation, such as the commas after Iowa and 2020 in the following examples: Without dash: The man from Ames, Iowa, arrived. With dash: The man—he was from Ames, Iowa—arrived. Without dash: The May 1, 2020, edition of the Ames Sentinel arrived in June.

Em dash character is not a part of ASCII character set.

What is a dash on a keyboard?

Alternatively known as a dash, subtract, negative, or minus sign, the hyphen ( – ) is a punctuation mark on the underscore key next to the “0” key on US keyboards. Keyboard help and support.

What is a dash in math?

Used to punctuate sentences. en dash – Used to indicate a range of numbers. minus sign – Used to denote a mathematical.

To make an em dash, press and hold Alt, then type 0151.

What are special characters and symbols in Word?

Special characters are symbols that do not appear on a keyboard. What are considered special characters and symbols will vary depending on your country, your installed language in Word and your keyboard.

How do you type special characters?

Inserting ASCII characters

To insert an ASCII character, press and hold down ALT while typing the character code. For example, to insert the degree (º) symbol, press and hold down ALT while typing 0176 on the numeric keypad. You must use the numeric keypad to type the numbers, and not the keyboard.

What are 4 characters in a password?

There are four types of characters you can use in passwords:
lower-case letters (a, b, c)upper-case letters (A, B, C)digits (1, 2 3)“special characters,” which include punctuation (. ; !) and other characters (# * &)

Diacritics, such as the umlaut, and DBCS characters are not allowed. Other restrictions: The password cannot contain spaces; for example, pass word .

What special characters are not allowed in URL?

ASCII control characters (e.g. backspace, vertical tab, horizontal tab, line feed etc), unsafe characters like space , , , { , } etc, and any character outside the ASCII charset is not allowed to be placed directly within URLs. Moreover, there are some characters that have special meaning within URLs.

What are 6 characters in a password?

Password is only 6 characters long.

The password must contain at least three character categories among the following:
Uppercase characters (A-Z)Lowercase characters (a-z)Digits (0-9)Special characters (~! @#$%^&*_-+=`|(){}[]:;”‘,.?/)