Devs268 Devs268
  • 25-06-2017
  • Mathematics
contestada

Using wildcard metacharacters, how can one indicate a number is either 1, 2, 3, or 4?

Respuesta :

mathmate
mathmate mathmate
  • 25-06-2017
using the current "regular expressions" in use in Java, Perl, and many other applications, this belongs to "character class" using the [ ] notation.
For characters "either" 1,2,3,4, we write
[1234]
or in this particular case,
[1-4]
Answer Link

Otras preguntas

Why did labor change during the Industrial Revolution?
279. 96. Will you to go for shopping with me a) Will you to go for shopping with me b) Will you to go for shopping with me! c) Will you to go for shopping with
1.Escribe el pronombre para este adjetivo y sustantivo. Me gusta esta computadora. Me gusta ______ 2. Escribe el pronombre para este adjetivo y sustantivo.Ese c
Sylvie finds the solution to the system of equations by graphing. y = x + 1 and y = x – 1 Which graph shows the solution to Sylvie’s system of equations?
Which theoretical perspective would be most interested in propaganda images used during war?
Jayme, who has a mass of 40 kg, is ice-skating and traveling at 4 m/s to the north towards anthony, who has a mass of 65 kg and is traveling south at 12 m/s tow
What is the length of time a workout lasts
What was Lewis and Clark mission ?
Which statements are true concerning a saturated solution of pbcl2? (select all that apply.) pbcl2(s) pb2+ + 2cl- the system is in equilibrium. the rate of diss
which sentence uses the underlined vocabulary word correctly? There's 2 questions for this one