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Grep - find a character (or characters) within a word

Forum|Forum|7 years ago
September 16, 2018
1 reply
5220 views

I have two questions - both related to each other.

1. Supposing I want to find the r character in the selection of words below but ONLY the final r in each of the words. That is, the r must be followed by one of the patterns ai, as, a, ons, ez, ont.

travaillerai

travailleras

travaillera

travaillerons

travaillerez

travailleront

2. I want to find the xyz below as long as it's preceded by blah and followed by blahblah, as in this string:

blahxyzlahblah

Can anyone tell me the GREP expressions that would allow me to do both of these tasks?

Thanks in advance.

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Correct answer Peter Kahrel

[\u\l]\Kxyz(?=[\u\l])

That is, xyz preceded and followed by a letter-- [\u\l] stands for upper- or lower-case letter.

Peter Kahrel

Community Expert

1: r(?=(ai|as|a|ons|ez|ont)\b)

2: blah\Kxyz(?=lahblah)

H

hughanagleAuthor

Known Participant

That’s great. Thank you.

However, I should have been clearer with regard to my second question. I would like to find the xyz when it appears anywhere within a string, in other words it could have any number of random characters before it and any number of random characters after it, e.g.

joexyzbloggs

tarzanxyzofthejungle

What expression would allow for these circumstances?

Thank you in advance.

Peter Kahrel

Correct answer

Community Expert

[\u\l]\Kxyz(?=[\u\l])

That is, xyz preceded and followed by a letter-- [\u\l] stands for upper- or lower-case letter.

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