# Title case
> Supported in: Batch, Faster, Streaming
Converts the first character of each word to be uppercase and the rest lowercase.
**Expression categories:** String
## Declared arguments
* **Expression:** The string to convert to title case.
*Expression\*
**Output type:** *String*
## Examples
### Example 1: Base case
**Argument values:**
* **Expression:** hello world
**Output:** Hello World
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### Example 2: Null case
**Argument values:**
* **Expression:** *null*
**Output:** *null*
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### Example 3: Edge case
**Argument values:**
* **Expression:** hello-world
**Output:** Hello-world
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