jay_lib 0.0.16

A small toolkit.
Documentation 
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use jay_lib::fns::fn_str;
#[test]
fn del_mid_test(){
    let s=r#"<DT><A HREF="https://blog.csdn.net/sdu_hao/article/details/95958293?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-3.control&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-3.control" ADD_DATE="1612008593" ICON="data:image/png;base64,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">自然语言处理 | (30) 文本相似度计算与文本匹配问题_sdu_hao的博客-CSDN博客_文本相似度匹配</A>"#;
    if let Ok(after_del)=fn_str::del_mid_str(" ICON=\"","\">",s){
        assert_eq!(r#"<DT><A HREF="https://blog.csdn.net/sdu_hao/article/details/95958293?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-3.control&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-3.control" ADD_DATE="1612008593"自然语言处理 | (30) 文本相似度计算与文本匹配问题_sdu_hao的博客-CSDN博客_文本相似度匹配</A>"#.to_string(),after_del);
    }
    if let Ok(after_del)=fn_str::del_mid_str(" ADD_DATE=\"","\">",s){
        assert_eq!(r#"<DT><A HREF="https://blog.csdn.net/sdu_hao/article/details/95958293?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-3.control&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-3.control"自然语言处理 | (30) 文本相似度计算与文本匹配问题_sdu_hao的博客-CSDN博客_文本相似度匹配</A>"#.to_string(),after_del);
    }
        let s=r#"<DT><A HREF="https://www.jianshu.com/p/c7421770d0d1" ADD_DATE="1612009180" ICON="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAACz0lEQVQ4jV2ST2hcZRTFf+f7vvfezOuk0cTWaYtVUEGyEhV0oaBQ0uJCpV1lUwuCBSMoLQiiIoJ/KNiCi1hdxC4UBP/gUtCNiOBG3XRRin9qaJPUUs1Mp0ln3nvfd11MI8WzvNx77uGco5VDe/bnLj9Rp3RbAoiNzHlJYhOWEmDIeQPMSWTS+SpVR4JZWADrRkjCpHZH1COsqsbX3qMsB+ewaxsSRjQsK/LbjbDgJLpDw9Kg7/KZ+7Tj5JcW7rgbTWwldHdhdc3Ui28wffQtlOfmpm+V39Z1w2Qm6Gr50L5ksZGfmLTpl9/FYiM/vZ1meYnqz1+xqwO27N1Pfe4s2Z330Px2xuqV81z5/CNZXZsjRchypl46RnNpVZdeOUz1x1mGp39i8NUntB+ZZe3k2/x9/DVsY52r33+j3uJxLCXkHbpwcNbULnFlh9a9D9J+6FHWv/uaiX0HMAlCIP1zGdcuIcuRHP1PP2D4y4+4dkmQc9jGOnE0pL5wjrL1OMpy+p8t4soOFhsUAmk0RHJMvfA6bnIKixGTCCaRRtfo7HmSyYPPs/rcASbnDtOZfYo46CM53JYO1e9n6J16b5yOJSSQGUESMgMYxxUjYftOLEXW3n8HUsPN86+S3TWDihZyjv8qIhEwAwkzGxfGedJwg/yWGW565ghgZDt30/y1AhJcf7aJMB6CpOsLCdcqaZaX6H14DARTR99EeQEpYjdymBEwM4QAI0YhEQd9wq7dbJ17FuUFKtr0P14gXemPlbtgmAnJwpjIkA+4PEd5QW/xBK7dRnkLgDTo4bftoPPEHC5kpMEaOD9WIJCct2btstZ/+BaqkVHXSk0FqTf2p6kpH7uf8oGHrf/FKQ1P/ywVLZOZtPz03tUi+O6wiYm6ElkmyfF/WNOAgKoyipa1suBGTbropDiPseQlVLRMyOxGpzcjDgE5byo75r0HY0lq5v8FS/1LVvsjW/AAAAAASUVORK5CYII=">文本的匹配 - 简书</A>"#;
    if let Ok(after_del)=fn_str::del_mid_str(" ADD_DATE=\"","\">",s) {
        assert_eq!(r#"<DT><A HREF="https://www.jianshu.com/p/c7421770d0d1"文本的匹配 - 简书</A>"#.to_string(),after_del);
    }

}

#[test]
fn get_mid_test(){
    let s=r#"<DT><A HREF="http://web.stanford.edu/class/cs97si/" ADD_DATE="1606284605" ICON="data:image/png;base64,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">CS 97SI: Introduction to Programming Contests</A>"#;
    if let Ok(get)=fn_str::get_mid_str("HREF=\"","\"",s){
        assert_eq!(r#"http://web.stanford.edu/class/cs97si/"#.to_string(),get);
    }

    if let Ok(get)=fn_str::get_mid_str("\">","</A>",s){
        assert_eq!(r#"CS 97SI: Introduction to Programming Contests"#.to_string(),get);
    }
}

#[test]
fn english(){
    assert_eq!(false,fn_str::check_word(""));
    assert_eq!(false,fn_str::check_word("123 eng"));
    assert_eq!(false,fn_str::check_word("what is it"));
    assert_eq!(true,fn_str::check_word("hello"));
    assert_eq!(true,fn_str::check_word("It's"));
}


#[test]
fn zh(){
    assert_eq!(false,fn_str::check_zh("".to_string()));
    assert_eq!(true,fn_str::check_zh("中".to_string()));
    assert_eq!(true,fn_str::check_zh("go 中".to_string()));
    assert_eq!(true,fn_str::check_zh("裏".to_string()));
}

#[test]
fn digit(){
    assert_eq!(false,fn_str::is_number("".to_string()));
    assert_eq!(true,fn_str::is_number("1".to_string()));
    assert_eq!(false,fn_str::is_number("1 1".to_string()));
    assert_eq!(true,fn_str::is_number("789".to_string()));
}

#[test]
fn capitalize_first_test(){
    let s=fn_str::capitalize_first("hello world");
    assert_eq!("Hello world",s);
}

#[test]
fn first_word_test(){
    let s=fn_str::first_word("hello, world");
    assert_eq!(Some("hello".to_string()),s);
    assert_eq!(None,fn_str::first_word(""));
    assert_eq!(Some("hello".to_string()),fn_str::first_word("hello world"));
    assert_eq!(Some("hello".to_string()),fn_str::first_word("hello789 world"));
    assert_eq!(Some("It's".to_string()),fn_str::first_word("It's ok!"));
}