metacharacters

Noun

metacharacter (plural metacharacters)

1. A character used to signify something other than its literal form, such as the asterisk when used as a wildcard.
   • This chapter moves on to look at several regular expression metacharacters and modifiers. Metacharacters can be combined with literal characters and quantifiers, which were discussed in Chapter 3, to create more complex regular expression patterns.2005, Andrew Watt, Beginning Regular Expressions, John Wiley & Sons, →ISBN, page 73