The isCharNumeric function returns true if every character in the argument {obj} is a numeric character. Otherwise the isCharNumeric function returns false.


The isCharNumeric function function is used to query an object to see if it contains only numeric characters.




(isCharNumeric obj)

Arguments Name Type Description
Argument:objCharacter String Symbol Vector ByteVector Text Boolean The Object to be evaluated.


If the object contains only numeric characters, true is returned. Otherwise false is returned.



Here are a number of links to Lambda coding examples which contain this instruction in various use cases.


Argument Types

Here are the links to the data types of the function arguments.

Character String Symbol Vector
ByteVector Text Boolean

Here are also a number of links to functions having arguments with any of these data types.

++ += /= *=
-- -= abortTransaction addMethod
appendWriteln append apply badd
balance bcompareEQ bcompareGE bcompareGT
bcompareLE bcompareLT bcompareNE bdiv
beginTransaction binaryInsert binaryNand binaryNor
binaryNot binaryNxor binarySearch bitToNumberVector
bitwiseAnd bitwiseNand bitwiseNor bitwiseNot
bitwiseNxor bitwiseOr bitwiseShiftLeft bitwiseShiftRight
bitwiseXor bmod bmul boolean
cadd ccompareEQ ccompareGE ccompareGT
ccompareLE ccompareLT ccompareNE cdiv
cdr char character checkPointTransaction
clean clear closeLog cmod
cmul code commitTransaction compareEQ
compareGE compareGT compareLE compareLT
compareNE compare comparison compile
compress cons copy count
csub date day days360
debugBrowsableProcs debugDetective debugEval debug
decode defchild defclass define(macro)
define defmacro defmethod deforphan
defriend defun delete dimension
disassemble display downcase encode
evalInSyncLocalContext eval exportCsv exportSbf
exportTab fdisplay fileClose fileCopy
fileDir fileDisplay fileEraseDir fileErase
fileExists fileMakeDir fileOpen fileReadAll
fileReadRecord fileRead fileSizeOf fileWriteAll
fileWrite filewriteln findBlock find
freeBlock gc getGlobalValue getSymbolTable
globalBinding hashString hour icompareEQ
icompareGE icompareGT icompareLE icompareLT
icompareNE importCsv importSbf importTab
insert inside inspect integer
isAtom isBitVector isBoolean isBound
isByteVector isCharAlphabetic isCharAlphanumeric isCharLowercase
isCharName isCharNumeric isCharUppercase isCharWhitespace
isChar isCharacter isComplex isDate
isDictionary isDirectory isEqual isError
isEven isExact isFloatVector isIdentical
isImmediate isInexact isInside isIntegerVector
isInteger isLambda isMatrix isMember
isMoney isNegative isNull isNumberMatrix
isNumberVector isNumber isObjectVector isObject
isOdd isPair isPcodeVector isPositive
isString isStructure isSymbol isText
isTransaction isType isVector isZero
julian left length lisp
list loadModule loadObject loadWorkspace
lock logConsole macroReplace makeGramMatrix
makeQuotedList makeQuotedSymbol map mapc
member methodsOf mid minute
money month morph ncompareEQ
ncompareGE ncompareGT ncompareLE ncompareLT
ncompareNE new number objectToList
objectToMatrix objectToNumMatrix objectToNumVector objectToVector
offset onError openLog pair
parent parse pointer product
proplist proprecord putprop qt
quit rank refAttributes refValues
ref remProp remove rename
replace rept reset resize
reverse right run saveImmediate
saveModule saveObject saveRepository saveWorkspace
second setAttributes setBlock setCar
setCdr setLastCdr set setf
setq sizeof sort sql
stringCiEQ stringCiGE stringCiGT stringCiLE
stringCiLT stringCiNE stringFill stringToBVector
stringToVector string submit substitute
substringCiEQ substringCiGE substringCiGT substringCiLE
substringCiLT substringCiNE substringEQ substringFill
substringGE substringGT substringLE substringLT
substringNE substring svmRegression symbolToTypeCode
symbol systemCheck system text
time trim type uncompress
uniqueInsert unlock upcase vectorBinaryInnerProduct
vectorBipolarInnerProduct vectorCosineInnerProduct vectorCubeInnerProduct vectorExpInnerProduct
vectorFill vectorInnerProduct vectorLogInnerProduct vectorQuartInnerProduct
vectorQuintInnerProduct vectorSigmoidInnerProduct vectorSineInnerProduct vectorSquareInnerProduct
vectorTanInnerProduct vectorTanhInnerProduct version writelg
writeln year

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