Tango.info az 09 name

needs fix - 0-9 undefined

A tango.info a z name only includes letters a-z and underscores. regex: [_a-z]

To transform a string into a a_z_name the following conversion is applied

• all lowercase
• diacritics removed
• special chars and spaces converted to _
• all multiple _ converted to one _

Link

• https://tango.info/tools/string_conversion.php

See also

• tango.info azname