Question

我正在努力学习以下正则表达式：

\b[\dBb][-. \dEe]+(\d{4})\b

它应匹配帐号，但不能与令牌/生日或带有＆＃34; be＆＃34;的文本匹配。在里面。在community的支持下，我已经设法捕获第一部分。但是，我似乎无法排除令牌/生日。

应该匹配的案例（我的正则表达式正常）：

1234 1234 1234 1234
1234 1234 1234 1234 1
BE12 1234 1234 1234
1234-1234-1234-1234
1234.1234.1234.1234
1234123412341234
12341234 1234 1234
1234-1234-1234-1234-1
1234.1234.1234.1234.1
12341234123412341
12341 234 1234 12341
BE12-1234-1234-1234
be12-1234-1234 1234
Be12.1234.1234-1234
BE12123412341234

不应匹配的案例（我的正则表达式对其中一些不正确）：

123456
Token: 123456
I shall be awesome in Belgium, as my birthdate is 01/01/2000.
01.01.2000
01012000
first of january 2000

你能帮忙解决这个挑战吗？谢谢！

Answer 1

匹配BE或2位数字，后跟14或15位数字，其中散布着空格，句点和短划线

([Bb][Ee]|\d\d)([-. ]?\d){14,15}

<强>测试

ACCOUNT             INPUT
1234123412341234    1234 1234 1234 1234
12341234123412341   1234 1234 1234 1234 1
BE12123412341234    BE12 1234 1234 1234
1234123412341234    1234-1234-1234-1234
1234123412341234    1234.1234.1234.1234
1234123412341234    1234123412341234
1234123412341234    12341234 1234 1234
12341234123412341   1234-1234-1234-1234-1
12341234123412341   1234.1234.1234.1234.1
12341234123412341   12341234123412341
12341234123412341   12341 234 1234 12341
BE12123412341234    BE12-1234-1234-1234
be12123412341234    be12-1234-1234 1234
Be12123412341234    Be12.1234.1234-1234
BE12123412341234    BE12123412341234
No Match            123456
No Match            Token: 123456
No Match            I shall be awesome in Belgium, as my birthdate is 01/01/2000.
No Match            01.01.2000
No Match            01012000
No Match            first of january 2000
Be12123412341234    Here is my account number Be12.1234.1234-1234. have a nice day

验证者（Ruby）：

a = [ "1234 1234 1234 1234",
...
]

puts 'ACCOUNT             INPUT'
a.each { |s|
  match = /(([Bb][Ee]|\d\d)([-. ]?\d){14,15})/ =~ s
  puts "%-18s  %s"%[ match ? $1.tr('-. ', '') : "No Match", s ]
}

正则表达式：匹配帐号，但不匹配代币/生日

1 个答案: