A regular expression, a word whose 8-digit letter ends with tion, can only be preceded by a 4-digit letter match, followed by tion.

topic description

eigthter letter words ending in tion or 10 letter words ending in able

sources of topics and their own ideas

I am (b ^ [A-Za-ztion] {4} S ? B). The idea is that the letter ends with tion, limiting 4 digits, looking for all non-empty fields, but S ? I don"t know if what is written here is correct. The result of the match is to match only the first word. It should match all the 8-bit words ending with tion

.

related codes

/ / Please paste the code text below (do not replace the code with pictures)

what result do you expect? What is the error message actually seen?

Java python
Apr.02,2022

I can't read your train of thought. According to the requirements of the topic, it should be the following:

\ b ([a-zA-Z] {4} tion | [a-zA-Z] {6} able)\ b

I see, thank you, I am in a corner, thank you very much, now I understand

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