1. /^[a-z]+/d+$/
begin with one or more lower chars [a-z], end with one or more digital numbers.
2. /^([a-z]+(/d)+)+$/
the pattern above is repeated more than once.
1. /^[a-z]+/d+$/
begin with one or more lower chars [a-z], end with one or more digital numbers.
2. /^([a-z]+(/d)+)+$/
the pattern above is repeated more than once.
$- 當前頁可打印的行數,屬於Perl格式系統的一部分$! 根據上下文內容返回錯誤號或者錯誤串$” 列表分隔符$# 打印數字時默認的數字輸出格式$$ Perl解釋器的進