Test Whether a Regex Matches the Subject String Entirely (测试正则匹配是否完全匹配字符串)

需求：

字符串中只有regex pattern

方法：

1. Python

a.  Global function

import re

if re.search("regex pattern\Z", subject):

    print "Match Pass!"

else:

    print "Match Fail!"

b. Compiled object

import re

reobj = re.compile("regex pattern\Z")

if reobj.search(subject):

    print "Match Pass!"

else:

    print "Match Fail!"

2. Tcl

set result [regexp -linestop {\Aregexp pattern\Z} $subject]

if {$result == 1} {

    puts "Match Pass!"

} else {

    puts "Match Fail!"

}