V2EX delimiter

Delimiter

定义 Definition

名词 (n.) / 动词 (v.) 分隔符;定界符。指用于分隔或界定文本、数据中不同部分的字符或符号。作动词时,表示"用分隔符界定"。

发音 Pronunciation

/dlmtr/ (名词) /dlmt/ (动词)

例句 Examples

In a CSV file, a comma is used as the delimiter between values.
在 CSV 文件中,逗号被用作各个值之间的分隔符。

The programmer chose a pipe character as the delimiter because the dataset itself contained commas and semicolons that could cause parsing errors.
程序员选择了管道符作为分隔符,因为数据集本身包含逗号和分号,可能会导致解析错误。

词源 Etymology

delimiter 源自拉丁语 delimitare,由前缀 de-(表示"完全地")和 limitare(意为"限定、划定界限")组成,limitare 又来自 limes(意为"边界、界限")。该词最早用于地理学中表示"划定边界",后来在计算机科学领域被广泛使用,专指用于分隔数据字段的特定字符或字符串。

相关词汇 Related Words

文学与著名引用 Literary References

  • delimiter 作为一个技术术语,主要出现在计算机科学相关著作中,例如 Brian Kernighan 与 Dennis Ritchie 合著的 The C Programming Language 中讨论字符串处理时多次提及分隔符的概念。
  • 在 Donald Knuth 的 The Art of Computer Programming 中,delimiter 被用于讨论词法分析和数据结构中的分隔处理。
  • Jeffrey Friedl 所著的 Mastering Regular Expressions 中也频繁使用该词,讨论正则表达式中分隔符的选择与使用。
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