what substrings does the regex (a|ab)+ match in the following input?
“For Steve, wanting to learn was far more important than wanting to be right.”
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to git, so we're going to have to start looking at source releases，推荐阅读同城约会获取更多信息
Екатерина Смирная (корреспондент отдела оперативной информации)
Россиянам станет тяжелее снять наличные08:49