Spacing Error

An unwanted space is inserted into the string.

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An unwanted space is inserted into the string.

Spacing errors occur when the spacebar is accidentally pressed during data entry, inserting an unwanted space character. This is common when typing quickly or when hands drift on the keyboard. The resulting string is one character longer with a space where none should exist.

Space inserted at position N: ABCD → AB CD

12345 → 123 45 (space inserted)
HELLO → HEL LO (space in middle)
AB-1234 → AB- 1234 (space after hyphen)

How to recognize it

String contains unexpected space character
Length is one character longer
Space appears where data should be continuous

Common mistakes

Overlooking spaces in visual inspection
Confusing with intentional formatting
Missing spaces at the start or end

Step-by-step walkthrough

Find the error: Original '12345' vs Given '123 45'

Check lengths: original has 5 characters, given has 6
Compare position 1: '1' = '1'
Compare position 2: '2' = '2'
Compare position 3: '3' = '3'
Compare position 4: '4' vs ' ' - space found
An unwanted space was inserted after position 3
The remaining characters '45' are shifted by one position

Answer: Spacing error: unwanted space inserted between '3' and '4' at position 4

Practice guidance

Error Checking