[Tutor] regexp

[Dinara Vakhitova]

Hello,

I need to find the words in a corpus, which letters are in the alphabetical
order ("almost", "my" etc.)
I started with matching two consecutive letters in a word, which are in
the alphabetical order, and tried to use this expression: ([a-z])[\1-z],
but it won't work, it's matching any sequence of two letters. I can't
figure out why... Evidently I can't refer to a group like this, can I? But
how in this case can I achieve what I need?

Thank you.

-- 
*Yours faithfully,
Dinara Vakhitova*
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