翻訳と辞書
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・ register assignment
・ register dancing
・ register set
・ register spilling
・ register transfer language
・ registered port
・ registry
・ regression
・ regression testing
・ regtral
regular expression
・ regular expression converter
・ regular graph
・ rehi
・ reid, brian
・ reify
・ reincarnation, cycle of
・ reinvent the wheel
・ rel english
・ relation


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regular expression : FOLDOC
regular expression
1. (regexp, RE) One of the wild card patterns used by Perl and other languages, following Unix utilities such as grep, sed, and awk and editors such as vi and Emacs. Regular expressions use conventions similar to but more elaborate than those described under glob. A regular expression is a sequence of characters with the following meanings:
An ordinary character (not one of the special characters discussed below) matches that character.
A backslash () followed by any special character matches the special character itself. The special characters are:
"." matches any character except NEWLINE; "RE*" (where the "*" is called the "
Kleene star") matches zero or more occurrences of RE. If there is any choice, the longest leftmost matching string is chosen, in most regexp {flavours}.
"^" at the beginning of an RE matches the start of a line and "$" at the end of an RE matches the end of a line.
[string] mat
Kleene star") matches zero or more occurrences of RE. If there is any choice, the longest leftmost matching string is chosen, in most regexp {flavours}.
"^" at the beginning of an RE matches the start of a line and "$" at the end of an RE matches the end of a line.
[string] mat


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