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Character 10: Includes spacing underscore characters such as "_", and other spacing tie characters. Unlike other punctuation characters, these may be classified as "word" characters by regular expression libraries. [f] Pd: Punctuation, dash: Graphic: Character 27: Includes several hyphen characters Ps: Punctuation, open: Graphic: Character 79 ...
A regular expression (shortened as regex or regexp), [1] sometimes referred to as rational expression, [2] [3] is a sequence of characters that specifies a match pattern in text. Usually such patterns are used by string-searching algorithms for "find" or "find and replace" operations on strings , or for input validation .
Unlike other punctuation characters, these may be classified as "word" characters by regular expression libraries. [f] Pd: Punctuation, dash: Graphic: Character 27: Includes several hyphen characters Ps: Punctuation, open: Graphic: Character 79: Opening bracket characters Pe: Punctuation, close: Graphic: Character 77: Closing bracket characters ...
Pd, dash Common — EM DASH U+2014: Pd, dash Common ― HORIZONTAL BAR U+2015: Pd, dash Common ⸗ DOUBLE OBLIQUE HYPHEN U+2E17: Pd, dash Common ⸚ HYPHEN WITH DIAERESIS U+2E1A: Pd, dash Common ⸺ TWO-EM DASH U+2E3A: Pd, dash Common ⸻ THREE-EM DASH U+2E3B: Pd, dash Common ⹀ DOUBLE HYPHEN U+2E40: Pd, dash Common 〜 WAVE DASH U+301C: Pd ...
On most keyboards, it is the only character that resembles a minus sign or a dash, so it is also used for these. [1] The name hyphen-minus derives from the original ASCII standard, [2] where it was called hyphen (minus). [3] The character is referred to as a hyphen, a minus sign, or a dash according to the context where it is being used.
This essay introduces the basics of hyphens, minus signs, en dashes, and em dashes in one easy lesson. There are at least eight different horizontal dash-like characters of varying lengths defined in Unicode, a character encoding standard. Wikipedia uses four: the hyphen (sometimes called the hyphen-minus), the minus sign, the en dash, and the ...
A Unicode character is assigned a unique Name (na). [1] The name is composed of uppercase letters A–Z, digits 0–9, hyphen-minus and space.Some sequences are excluded: names beginning with a space or hyphen, names ending with a space or hyphen, repeated spaces or hyphens, and space after hyphen are not allowed.
The em dash, em rule, or mutton dash [12] — is longer than an en dash. The character is called an em dash because it is one em wide, a length that varies depending on the font size. One em is the same length as the font's height (which is typically measured in points). So in 9-point type, an em dash is nine points wide, while in 24-point type ...