backreference
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
26
Scrabble Score
13
Letters
4
Syllables
8
Unique Chars
Meaning
noun
An item in a regular expression equivalent to the text matched by an earlier pattern in the expression.
Example Sentences
- "The third part of the regular expression, \1, is the backreference and tells ColdFusion to refer back to the first subexpression[…]"
- "Path traversal occurs when directory backreferences are used in a path to gain access to the parent folder of a subfolder."
- "By wrapping it in parentheses, the attributes can be reused by backreferencing this part of the pattern[…]"
- "It doesn't change what the part matches, so /\d+/ and /(\d+)/ will still match as many digits as possible, but in the latter case they will be remembered in a special variable to be backreferenced later."