Test if a Match Can Be Found Within a Subject String (测试匹配是否可以在字符串中找到)

需求：

The regex pattern can be found中的regex pattern

方法：

1. Python

a.  Global function

import re

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

    print "Match Pass!"

else:

    print "Match Fail!"

b. Compiled object

import re

reobj = re.compile("regex pattern")

if reobj.search(subject):

    print "Match Pass!"

else:

    print "Match Fail!"

2. Tcl

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

if {$result == 1} {

    puts "Match Pass!"

} else {

    puts "Match Fail!"

}