OCP-047 expression:'[^Ale|ax.r$]'
2012-08-20 16:56
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92. Evaluate the following expression using meta character for regular
expression:'[^Ale|ax.r$]'
Which two matches would be returned by this expression? (Choose two.)
A. Alex
B. Alax
C. Alxer
D. Alaxendar
E. Alexender
Answer: DE
解题：
'[^Ale|ax.r$]'： [^.....]不匹配字符list |: or .：任意一个字符
字符串： [Ale|ax.r$] 匹配Alex，Alax ，Alxer ，A,l,e,a.............
在取反：所以DE正确
expression:'[^Ale|ax.r$]'
Which two matches would be returned by this expression? (Choose two.)
A. Alex
B. Alax
C. Alxer
D. Alaxendar
E. Alexender
Answer: DE
解题：
'[^Ale|ax.r$]'： [^.....]不匹配字符list |: or .：任意一个字符
字符串： [Ale|ax.r$] 匹配Alex，Alax ，Alxer ，A,l,e,a.............
在取反：所以DE正确
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