过滤取出pom.xml内的1.0.2-SNAPSHOT

echo "<version>1.0.2-SNAPSHOT</version>" | grep -o -E "[0-9].[0-9].[0-9]+-SNAPSHOT"

echo "<version>1.0.2-SNAPSHOT</version>" | cut -d'>' -f2 |cut -d'<' -f1

echo '<version>1.0.2-SNAPSHOT</version>' | grep -Po '(?<=>).*(?=<)'

echo '<version>1.0.2-SNAPSHOT</version>' | sed 's|.>(.)<.*|\1|'

来源：oschina

链接：https://my.oschina.net/HeAlvin/blog/4489067