Entering empty strings as parameters
If you want the parameter you enter to be an empty string (i.e. nothing), use two single quote marks: ''
You can use this with the equals, matches or simple match operators.
You can also use '^$
' or '^\s*$
' with the operator matches to check that a text area is empty.
You can also use '^$
' with the operator matches to check that a text area is empty.
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If a component looks empty, but entering an empty string doesn't work, it may be worth asking a developer what is actually in the component. |
The escape character
Some symbols have a special meaning in Jubula . If you want to use the symbol without the special function, you have to escape it. The symbol to negate any special function of the following symbol is a backslash: ().
See the Reference Manual (-->Reference Manual ) for more details on special symbols and escaping them.
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When you are using regular expressions, you will also need to think about which symbols need neutralising. Sometimes more than one backslash is necessary. |