def str = "abc9def" assert (str =~ /[a-z]+/) as boolean == true // 部分一致 assert (str ==~ /[a-z]+/) as boolean == false // 完全一致 =~ だと部分一致 ==~ だと完全一致 参考 Groovyの奇妙な正規表現（Groovyの奇妙な演算子(3)改め) - Grな日々(ueh…