use regex::Regex;

use crate::SbotCliError;

/// Return matches for a given Regex pattern and text.
///
/// # Arguments
///
/// * `pattern` - A string slice representing a regular expression
/// * `input` - A string slice representing the input to be matched on
///
pub fn regex_finder(pattern: &str, input: &str) -> Result<Option<String>, SbotCliError> {
    let re = Regex::new(pattern)?;
    let caps = re.captures(input);
    let result = caps.map(|caps| caps[1].to_string());

    Ok(result)
}