underscore character造句怎么写

In every XML tag name, the function replaces any underscore character (_) with a dash character (-).

If you are filtering on a text field, for the equals and not equal to operators, you can use wildcard characters. Use the percent character (%) to represent a string of mutliple characters, or the underscore character (_) to represent any single character.

They must begin with a letter or the underscore character

By default, the separator is an underscore character.

Field names can contain only letters, numbers, or the underscore character.