Retrieve a list of all matches (提取所有匹配的列表)
需求: 获取字符串Do you like 12 or 34?中的12, 34
方法: 1. Python a. Global function import re subject = "Do you like 12 or 34?" result = re.findall(r"d+",subject) b. Compiled object import re reobj = re.compile(r"d+") result = reobj.findall(subject)
2. Tcl set subject "Do you like 12 or 34?" set result "" set pos 0 while {[regexp -indices -start $pos -linestop {d+} $subject offsets]==1} { set pos [expr {1+[lindex $offsets 1]}] lappend result [string range $subject [lindex $offsets 0] [lindex $offsets 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! |