Class: String

Inherits:

Object

• Object
• String

Defined in:

lib/einvoice-qr-encryptor/core_ext/string.rb

Overview

:nodoc:

Instance Method Summary

• #numeric? ⇒ Boolean

  Check string is numeric or not.

Instance Method Details

#numeric? ⇒ Boolean

Check string is numeric or not

Examples:

'abc'.numeric? #=> false
'123'.numeric? #=> true

Returns:

• (Boolean)

# File 'lib/einvoice-qr-encryptor/core_ext/string.rb', line 7

def numeric?
  true if Float(self)
rescue
  false
end