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StringHelper

A helper Class for String Operation

StringHelper

Constructors​

Constructor​

new StringHelper(): StringHelper

Returns​

StringHelper

Methods​

stringIsNullOrEmpty()​

static stringIsNullOrEmpty(value): boolean

Checks if a string is null or empty.

Parameters​

value​

string

the string to check

Returns​

boolean

true, if string is null or empty

Static​

Member Of​

StringHelper

stringReplaceNull()​

static stringReplaceNull(value, replaceValue): String

Replace if a string is null with value

Parameters​

value​

String

the string to check

replaceValue​

String

Returns​

String

replaceValue, if value to check is null, else the string value

Static​

Member Of​

StringHelper

padLeft()​

static padLeft(text, totalLength, paddingChar): string

Returns a new string that right-aligns the characters by padding them on the left with a specified character, for a specified total length.

Parameters​

text​

the text that should be converted

string | number

totalLength​

number

amount of total characters

paddingChar​

string

the character for example "0" for "007"

Returns​

string

  • Returns a new string that right-aligns the characters by padding them on the left with a specified character.

Static​

Member Of​

StringHelper

padRight()​

static padRight(text, totalLength, paddingChar): string

Returns a new string that left-aligns the characters by padding them on the left with a specified character, for a specified total length.

Parameters​

text​

the text that should be converted

string | number

totalLength​

number

amount of total characters

paddingChar​

string

the character for example "0" for "007"

Returns​

string

  • Returns a new string that left-aligns the characters by padding them on the left with a specified character.

Static​

Member Of​

StringHelper

cleanCRLF()​

static cleanCRLF(text): string

Replaces escaped CRLF (\r\n) in the specified string into correct CRLF-Format (\r\n).

Parameters​

text​

string

the escaped text that has escaped CRLF

Returns​

string

  • returns an string with correct CRLF

Static​

Member Of​

StringHelper

formatString()​

static formatString(text): string

Removes special characters that are not allowed in file names.

Parameters​

text​

string

string that is not safe for a file name

Returns​

string

A valid string for a file name

Static​

Member Of​

StringHelper

isNumber()​

static isNumber(text): boolean

Checks if the provided string is a number

Parameters​

text​

string

the string to check

Returns​

boolean

  • true if string is a number

Static​

Member Of​

StringHelper

convertToNumber()​

static convertToNumber(text): number

Converts a string into a number

Parameters​

text​

string

the text to convert

Returns​

number

  • returns a number

Static​

Member Of​

StringHelper