Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
backreference .
Etymologies
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Examples
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If you have multiple subpatterns you would call backreferences in their matching order i.e. the first subpattern in your regex statement would be called by $1, the second by $2, etc.
AutoHotkey Community 2009
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The \ (and \) are backreferences, which can be used in the replace part (the \1 part).
LinuxQuestions.org Guyverix 2010
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* "," Cnf# backreferences like $1, which brings in the substring from Haystack that matched the first subpattern.
AutoHotkey Community 2009
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If this modifier is set, preg_replace () does normal substitution of backreferences in the replacement string, evaluates it as
Muti 2009
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* "," Cnf# backreferences like $1, which brings in the substring from Haystack that matched the first subpattern.
AutoHotkey Community 2009
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Additionally, as of Perl 5.10.0 you may use named capture buffers and named backreferences.
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Note that the counting for relative recursion differs from that of relative backreferences, in that with recursion unclosed buffers are included.
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But the RegexMatch with backreferences ist to complicated for me.
AutoHotkey Community 2008
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Yves Orton dropped by to say that he thought it was fundamentally impossible to reconcile octal escapes and backreferences within a regular expression, and that by perl 5.14, octal escapes in a regular expression should be illegal.
Planet Perl 2008
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Similar to numeric backreferences, except that the group is designated by name and not number.
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