Check if the provided string is in valid XML format.

Check if the provided string is in valid XML format.

Usage

is_xml(input_string)

Arguments

input_string

A character string to be checked for XML format.

Value

A logical value. If the input string is in valid XML format, returns TRUE, otherwise returns FALSE.

Author

Ulrich Matter umatter@protonmail.com

Examples

is_xml('<?xml version="1.0"?><root><element>value</element></root>')
#> [1] TRUE
# TRUE

is_xml('<root><element>value</element></root>')
#> [1] TRUE
# FALSE

is_xml('')
#> Empty string provided.
#> [1] FALSE
# FALSE