正则表达式删除含有特定字符的行，不同的特定字符，并且有很多行

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正则表达式删除含有特定字符的行，不同的特定字符，并且有很多行

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2016-06-24, 12:49 PM

Naturita

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正则表达式删除含有特定字符的行，不同的特定字符，并且有很多行

比如下面的数据：a 1324843212
b6546456546462
c435452455
a5465464654654
k4444444444444444
gggsoo8965465454
======================
我想把含有a、b、a的行整行删除

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