Skip to content

The Elk Shell Language

Main NavigationReference Standard Library

Appearance

Sidebar Navigation

built-in

append

appendEnd

assert

assertEqual

background

backgroundAnd

call

cd

closure

dispose

disposeAll

disposeErr

each

eval

exec

exit

flatMap

Fn

getArgv

insert

isType

join

len

map

max

min

minOf

pop

print

printError

println

printlnError

push

pushAll

read

remove

scriptPath

source

split

stepBy

time

timeMs

wait

waitAll

where

withIndex

write

ansi

bold

clearLine

clearToEnd

clearToLeft

clearToRight

color

colorBg

hideCursor

italic

reset

setCursor

showCursor

underline

cli

addArgument

addFlag

addVerb

create

getCompletions

ignoreFlagsAfterArguments

parse

parseArgv

registerForCompletion

setAction

setDescription

dateTime

addMilliseconds

addMinutes

addMonths

addSeconds

addYears

day

format

hour

millisecond

minute

now

second

timestamp

timestampMs

toUtc

utcNow

dict

create

keys

values

dir

exists

env

cachePath

configPath

dataPath

exitCode

expand

homePath

hostname

isUnix

os

prettyPwd

user

env::path

add

all

list

remove

env::venv

create

error

value

file

executableExists

exists

into

bool

char

charCode

chars

csv

dict

error

float

hex

int

json

list

regex

set

str

table

tuple

type

io

input

interactiveInput

readKey

iter

all

allAndAny

allOf

any

anyOf

append

at

chunks

collect

concat

count

distinct

distinctBy

except

exceptBy

find

first

firstOf

firstOfOrNil

firstOrNil

flatten

indexOf

indexOfAny

intersect

intersectBy

last

lastIndexOf

lastIndexOfAny

max

maxOf

min

minOf

prepend

product

range

reduce

repeat

reverse

skip

skipWhile

take

takeWhile

union

unionBy

zip

list

column

extend

removeRange

math

abs

atan2

ceil

floor

gcd

lcm

log

log10

log2

sqrt

sum

op

add

coalesce

div

equals

mul

notEquals

pow

sub

parse

csv

dateTime

hex

json

table

pipe

exitCode

random

next

pop

shuffle

range

bounds

except

intersect

re

dotAll

find

findAll

findLast

groups

isMatch

replace

replaceWithClosure

sort

asc

ascBy

ascMut

desc

descBy

descMut

str

cell

chunks

column

digits

endsWith

isDigit

lines

lower

padLeft

padRight

precision

repeat

replace

row

startsWith

table

trim

upper

str::path

fileName

full

fuzzyFind

join

relative

withoutExtension

table

column

timeSpan

days

hours

milliseconds

minutes

seconds

totalDays

totalHours

totalMilliseconds

totalMinutes

totalSeconds

On this page

Table of Contents for current page

str::isDigit

isDigit(str: String)

Parameter	Type	Description
str	String

Returns

(Boolean) Whether or not the given string consists of a single digit.

Previous pageendsWith