Returns true or false if a character is a letter.
1 character.isLetter
<character.isLetter>
<data /> !
</character.isLetter>
| Arguments | |||||
|---|---|---|---|---|---|
| Name | Type | Required | Unique | Nullable | Description |
| Edata | Char | Character to analyze. | |||
| Returns | |
|---|---|
| Type | Description |
| Boolean | Returns true if the argument is a letter, false if it is not. |
Exceptions
requires 1 argument, received [...]
Missing a parameter.
single character required while received [...]
A single character is required.
Example
Show if it is a letter.
Copy
<xsql-script name='character.isLetter_sample1'>
<body>
<println>
<character.isLetter>7</character.isLetter>
</println>
<!-- Show false -->
<println>
<character.isLetter>f</character.isLetter>
</println>
<!-- Show true -->
</body>
</xsql-script>
Example
The result will be:
Copy
false true