Note that both the initial "minimal number of characters" subpattern and the operator subpattern are specified within capturing parentheses: \(...\).

注意，最初的 “最小字符数”子模式和运算符子模式都在捕捉圆括号内进行了指定：\(...\)。

youdao

Note that both the initial "minimal number of characters" subpattern and the operator subpattern are specified within capturing parentheses: \(...\).

注意，最初的 “最小字符数”子模式和运算符子模式都在捕捉圆括号内进行了指定：\(...\)。

youdao