Snobol4 语言 数据验证案例 手机号格式检查

Snobol4^【1】 语言中的手机号格式验证^【2】

Snobol4 是一种古老的编程语言，最初在1962年由David J. Farber、Ralph E. Griswold 和 Ivan P. Polonsky 设计。它以其简洁的语法和强大的字符串处理能力而闻名。尽管Snobol4 在现代编程中并不常见，但它仍然可以在某些领域找到应用，比如文本处理^【3】和数据处理^【4】。本文将探讨如何使用Snobol4 语言编写一个简单的手机号格式验证程序。

Snobol4 简介

Snobol4 是一种基于字符串的编程语言，它使用模式匹配^【5】和字符串操作^【6】来处理数据。Snobol4 的语法相对简单，但功能强大，特别适合于文本处理任务。以下是Snobol4 的一些基本概念：

- 模式匹配：使用模式来匹配字符串。
- 变量^【7】：用于存储数据的标识符。
- 控制结构^【8】：如循环和条件语句。
- 字符串操作：如连接、分割和替换。

手机号格式验证需求

在编写手机号格式验证程序之前，我们需要明确手机号格式的具体要求。以下是一个常见的手机号格式：

- 必须是11位数字。
- 第一位数字通常是1。
- 第二位数字通常是3、4、5、7、8或9。
- 剩余的数字可以是任意数字。

Snobol4 手机号格式验证程序

以下是一个使用Snobol4 编写的简单手机号格式验证程序：

```snobol
:phone
'1' '3' '4' '5' '7' '8' '9' '0' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' '9' 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