Regular Expressions (1) ---- What is Regular Expressions? 正则表达式是常见常忘，所以还是记下来比较保险，于是就有了这篇笔记。
Regular Expressions (1) ---- What is Regular Expressions? 正则表达式是常见常忘，所以还是记下来比较保险，于是就有了这篇笔记。 希望对大家会
修改文本 1、Perl中的替换表达式为： $var =~ s/regex/replacement/ 可以在replacement中使用$1等变量 2、Perl中<>表示一行文本 3
sas自9版开始支持perl（Perl 5.6.1 ） 正则表达式支持，极大的方便了数据校验的简易性、可靠性 在没有Regular Expressions（RE）前，只能使用index,substr,
Network Working Group M. A. Padlipsky Request for Comments: 491 MIT-Multics NIC: 15356 12 April 19
In this Article The Java Programming Language The Java Platforms The Java Virtual
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This is in response to Lily's question of what kind of job is good. I think a job that you can get w