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考試題目 |
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( ) | 1.驗證字串是否為有效的IP地址
(17) |
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| (1) | ^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$ |
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| (2) | I don't know |
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| (3) | ^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$ |
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| (4) | ^(\d{1,3}\.){3}\d{1,3}$ |
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| (5) | ^([0-9]{1,3}\.){3}[0-9]{1,3}$ |
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( ) | 2.將字串中的所有空格替換為下劃線
(12) |
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| (1) | ^\s |
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| (2) | I don't know |
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| (3) | \s |
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| (4) | _ |
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| (5) | \S |
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( ) | 3.匹配一個有效的日期格式 (YYYY-MM-DD)
(13) |
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| (1) | ^\d{4}-\d{2}-\d{2}$ |
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| (2) | ^\d{4}-\d{2}-\d{2}-\d{2}$ |
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| (3) | I don't know |
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| (4) | ^\d{4}/\d{2}/\d{2}$ |
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| (5) | ^\d{4}-\d{1,2}-\d{1,2}$ |
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( ) | 4.使用環顧斷言匹配 "foo" 但只在它前面有 "bar" 時才匹配
(18) |
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| (1) | (bar)foo |
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| (2) | barfoo |
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| (3) | I don't know |
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| (4) | (?<=bar)foo |
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| (5) | (?=bar)foo |
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( ) | 5.匹配重複出現的單詞 (例如: the the)
(16) |
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| (1) | \b\w+\s+\w+\b |
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| (2) | I don't know |
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| (3) | \b(\w+)\s+\1\b |
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| (4) | \b(\w+)\s+(\w+)\b |
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| (5) | \b(\w+)\1\b |
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( ) | 6.使用環顧斷言匹配 "foo" 但只在它後面沒有 "bar" 時才匹配
(19) |
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| (1) | I don't know |
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| (2) | foo(?!bar) |
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| (3) | foo(?=bar) |
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| (4) | foo(bar) |
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| (5) | foobar |
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( ) | 7.提取HTML標籤內的內容
(15) |
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| (1) | >.*< |
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| (2) | >(.*)< |
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| (3) | >([^*]+)< |
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| (4) | I don't know |
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| (5) | >([^<]+)< |
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( ) | 8.匹配所有以 "ing" 結尾的單詞
(20) |
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| (1) | ing\b |
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| (2) | ing |
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| (3) | I don't know |
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| (4) | \b\w+ing\b |
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| (5) | \w+ing |
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( ) | 9.匹配一個包含 "error" (不區分大小寫) 的字串
(11) |
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| (1) | I don't know |
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| (2) | (?i)eror |
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| (3) | error |
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| (4) | Error |
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| (5) | (?i)error |
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( ) | 10.匹配一個HTML標籤
(14) |
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| (1) | <.+> |
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| (2) | <[^>]+> |
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| (3) | <.*> |
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| (4) | <.*?> |
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| (5) | I don't know |
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