4-3 ?括弧?使用

ڭ̥iHϥΤA][]^ӦC|ҭn諸rAҦp [aeiou] NNnAҦpYnu}YO bBO tABu@ӥvlrAiUCdҡG

Example 1: 04-qιB⦡/regExp10.mstring = 'I bet there is a bat on board'; pattern = 'b[aeiou]t'; [start, finish] = regexp(string, pattern); fprintf('Matched substrings:\n'); for i=1:length(start) % CLXﵲG fprintf('\t%d: %s\n', i, string(start(i):finish(i))); endMatched substrings: 1: bet 2: bat

YOsrμƦrANiHϥΡu-v²ƤAC|rCҦpAƦr 0 9AiHg [0123456789] άO²Ƽg [0-9]A 26 Ӥpg^rhiH²Ƽg [a-z]AjgrhO [A-Z]CҦpYn褸~AiUCdҡG

Example 2: 04-qιB⦡/regExp11.mstring = 'My brother and me were born in 1965 and 1962, respectively.'; pattern = '[0-9][0-9][0-9][0-9]'; [start, finish] = regexp(string, pattern); fprintf('Matched substrings:\n'); for i=1:length(start) % CLXﵲG fprintf('\t%d: %s\n', i, string(start(i):finish(i))); endMatched substrings: 1: 1965 2: 1962

ƹWAregexp O]iHVqƪJAòͦVqƪXAҦpG

Example 3: 04-qιB⦡/regExp07.mstring = {'Barcelona', 'Y2K', 'MATLAB 7.3'}; pattern = {'lona', '[0-9]', '[A-Z]'}; [start, finish] = regexp(string, pattern)start = [6] [2] [1x6 double] finish = [9] [2] [1x6 double]

䤤 start M finish O 1x3 Ȱ}CAӥB start{i} M finish{i} NO regexp(string{i}, pattern{i}) ұo쪺GC

Hint
WzdҬOb MATLAB 7.x ұo쪺GCYOϥ MATLAB 6.xAo쪺 start M finish O 3x3 }CAӥB start{i, j} M finish{i, j} NO regexp(string{i}, pattern{j}) ұo쪺GC

AϥΡAڭ̦bU@ӦCzPG

νd藍ߤr
[13579]]t "1" "3" "5" "7" "9" rAҦpG"a3b", "1xy""y2k"
[0-9]tƦrrtƦrr
[a-z0-9]tƦrΤpgrrtƦrΤpgrr
[a-zA-Z0-9]tƦrΦrrtƦrΦrr
b[aeiou]t"bat", "bet", "bit", "bot", "but""bxt", "bzt"
[^0-9]tƦrr]Yn ^AШϥ \^^tƦrr
[^aeiouAEIOU]tr]Yn ^AШϥ \^^tr
[^\^]t "^" rAҦp "xyz", "abc""xy^", "a^bc"

Ъ`NbWApGN "^" bӤAANNu_wvA] [^aeiouAEIOU] NutrvC

t~AYnױSrSNqANnbre[W "\"AҦpW̫@CA"^" bA̭ONu_wvA]YnbA̭ "^"ANnϥ "\^"AҥHut "^" rvqΦNO [^\^]C]oiO@ӪŸI^


MATLAB{]pGig