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pub fn search<'a>(pattern: &str, contents: &'a str) -> Vec<&'a str> {
contents
.lines()
.filter(|line| line.contains(pattern))
.collect()
}
pub fn contains_pattern(src: &str, pat: &str, ignore_case: bool, word_regexp: bool) -> bool {
let src = if ignore_case { src.to_lowercase() } else { src.to_owned() };
let pat = if ignore_case { pat.to_lowercase() } else { pat.to_owned() };
if word_regexp {
src.split_whitespace().any(|p| p == pat)
} else {
src.contains(&pat)
}
}
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