### Analyzing the Options

1. **Understanding \w in Regex**
- In regular expressions (regex), the `\w` character class is designed to match word characters. Word characters include letters (both uppercase and lowercase), digits, and underscores.

2. **Evaluating Each Option**
- **Used for a whitespace character**: This is incorrect; `\s` is used for whitespace characters.
- **Used for a non-whitespace character**: This is incorrect; the character class for non-whitespace is `\S`.
- **Used for a word character**: This is correct; `\w` matches letters, digits, and underscores.
- **Used for a non-word character**: This is incorrect; `\W` is the correct representation for matching non-word characters.

### Conclusion

The correct interpretation of `\w` in regex is that it is **used for a word character**. Thus, the correct option is:

**Used for a word character**.

Question

### Analyzing the Options

1. **Understanding \w in Regex**
   - In regular expressions (regex), the `\w` character class is designed to match word characters. Word characters include letters (both uppercase and lowercase), digits, and underscores.

2. **Evaluating Each Option**
   - **Used for a whitespace character**: This is incorrect; `\s` is used for whitespace characters.
   - **Used for a non-whitespace character**: This is incorrect; the character class for non-whitespace is `\S`.
   - **Used for a word character**: This is correct; `\w` matches letters, digits, and underscores.
   - **Used for a non-word character**: This is incorrect; `\W` is the correct representation for matching non-word characters.

### Conclusion

The correct interpretation of `\w` in regex is that it is **used for a word character**. Thus, the correct option is:

**Used for a word character**.

Knowee AI · Accepted Answer

### Analyzing the Options

1. **Understanding \w in Regex**
   - In regular expressions (regex), the `\w` character class is designed to match word characters. Word characters include letters (both uppercase and lowercase), digits, and underscores.

2. **Evaluating Each Option**
   - **Used for a whitespace character**: This is incorrect; `\s` is used for whitespace characters.
   - **Used for a non-whitespace character**: This is incorrect; the character class for non-whitespace is `\S`.
   - **Used for a word character**: This is correct; `\w` matches letters, digits, and underscores.
   - **Used for a non-word character**: This is incorrect; `\W` is the correct representation for matching non-word characters.

### Conclusion

The correct interpretation of `\w` in regex is that it is **used for a word character**. Thus, the correct option is:

**Used for a word character**.

What is the use of \w in regex?*1 pointUsed for a whitespace characterUsed for a non whitespace characterUsed for a word characterUsed for a non word character

Question

What is the use of `\w` in regex?

Solution

Analyzing the Options

Conclusion

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