Translation guide
The English gloss is literally 'null string', which is a technical term from programming and data processing. This guide explains how to express the concept of a null or empty string in Japanese, primarily in technical contexts.
The user wants to refer to a string that contains no characters, often in programming, databases, or data formats.
Standard term for 'empty string'. Literally 'empty character string'. Widely used in programming documentation.
The user wants to express that there is no text or content, not necessarily in a strict programming sense.
In Japanese technical contexts, ヌル (null) often means a null reference (no object), while 空 (empty) means an object with no content. Be careful when translating 'null string' to specify whether you mean a string object that is null or a string that is empty.
This function returns an empty string.
Direct translation of 'null string'. Used in some technical contexts, but less common than 空文字列. May be confused with a string that is literally null (no object).
In many programming languages, a null string (no object) is different from an empty string (object with length 0). 空文字列 is clearer for empty string.
A null string and an empty string are different.
Descriptive phrase meaning 'zero-length string'. Used in technical explanations.
A zero-length string is also called an empty string.
If the input is an empty string, an error occurs.
Means 'empty'. Can be used in contexts where 'null string' is implied, but it's ambiguous without context.
This field is empty.