Groovy Regex:在Switch语句中捕获组
发布时间:2020-12-14 16:36:56 所属栏目:大数据 来源:网络整理
导读:给出以下Groovy代码切换语句: def vehicleSelection = "Car Selected: Toyota"switch (vehicleSelection) { case ~/Car Selected: (.*)/: println "The car model selected is " + ??[0][1] } 在没有定义新的(def)变量的情况下,是否可以提取单词“Toyota”
给出以下Groovy代码切换语句:
def vehicleSelection = "Car Selected: Toyota" switch (vehicleSelection) { case ~/Car Selected: (.*)/: println "The car model selected is " + ??[0][1] } 在没有定义新的(def)变量的情况下,是否可以提取单词“Toyota”? 解决方法
可以使用由Groovy添加到Matcher的lastMatcher方法:
import java.util.regex.Matcher def vehicleSelection = 'Car Selected: Toyota' switch( vehicleSelection ) { case ~/Car Selected: (.*)/: println "The car model selected is ${Matcher.lastMatcher[0][1]}" } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |