find the number of words that have vowels in order

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Hi,

Can any one please tell me how to find all words from a particular directory which contains a,e,i,o,u in order.

Ex abstancious. Here 'a' followed by 'a' followed by 'i' followed by 'o' followed by 'u'. Vowels never repeated.

I have cat /home/user1/tmp/* | grep [aeiou]

But it's not displaying my expected answer.

Please help.

Thanks in advance.

Posted 20-Nov-12 18:23pm

srmohanr

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lewax00 · Answer 1 · 2012-11-20T18:34:00

Solution 1

Your regular expression is just looking for any single vowel. You want something more like "^[^aeiou]*a[^aeiou]*e[^aeiou]*i[^aeiou]*o[^aeiou]*u[^aeiou]*$" I think (assuming it must have all of them). This one searches for zero or more consonants, a, zero or more consonants, e, etc.

Posted 20-Nov-12 18:34pm

lewax00

Updated 21-Nov-12 4:05am

v2

Comments

srmohanr 21-Nov-12 5:12am

Please refine the answer more. Because even I am getting the output 'unfacetiousness'. But this is not my scenario.

Please help

lewax00 21-Nov-12 10:06am

I updated it to match only whole lines. You should take the time to learn regular expressions, they can be very useful.

find the number of words that have vowels in order

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find the number of words that have vowels in order

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