#[doc(hidden)]
#[macro_export]
macro_rules! regex (
  ($re: ident, $s:expr) => (
    lazy_static! {
      static ref $re: $crate::lib::regex::Regex = $crate::lib::regex::Regex::new($s).unwrap();
    }
  );
);

#[doc(hidden)]
#[macro_export]
macro_rules! regex_bytes (
  ($re: ident, $s:expr) => (
    lazy_static! {
      static ref $re: $crate::lib::regex::bytes::Regex = $crate::lib::regex::bytes::Regex::new($s).unwrap();
    }
  );
);

/// `re_match!(regexp) => &[T] -> IResult<&[T], &[T]>`
/// Returns the whole input if a match is found
///
/// requires the `regexp` feature
#[macro_export(local_inner_macros)]
macro_rules! re_match (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::InputLength;
      use $crate::Slice;
      let re = $crate::lib::regex::Regex::new($re).unwrap();
      if re.is_match(&$i) {
        Ok(($i.slice($i.input_len()..), $i))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpMatch)));
        res
      }
    }
  )
);

#[cfg(feature = "regexp_macros")]
/// `re_match_static!(regexp) => &[T] -> IResult<&[T], &[T]>`
/// Returns the whole input if a match is found. Regular expression calculated at compile time
///
/// requires the `regexp_macros` feature
#[macro_export(local_inner_macros)]
macro_rules! re_match_static (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::InputLength;
      use $crate::Slice;
      regex!(RE, $re);
      if RE.is_match(&$i) {
        Ok(($i.slice($i.input_len()..), $i))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpMatch)));
        res
      }
    }
  )
);

/// `re_bytes_match!(regexp) => &[T] -> IResult<&[T], &[T]>`
/// Returns the whole input if a match is found
///
/// requires the `regexp` feature
#[macro_export(local_inner_macros)]
macro_rules! re_bytes_match (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::InputLength;
      use $crate::Slice;
      let re = $crate::lib::regex::bytes::Regex::new($re).unwrap();
      if re.is_match(&$i) {
        Ok(($i.slice($i.input_len()..), $i))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpMatch)));
        res
      }
    }
  )
);

#[cfg(feature = "regexp_macros")]
/// `re_bytes_match_static!(regexp) => &[T] -> IResult<&[T], &[T]>`
/// Returns the whole input if a match is found. Regular expression calculated at compile time
///
/// requires the `regexp_macros` feature
#[macro_export(local_inner_macros)]
macro_rules! re_bytes_match_static (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::InputLength;
      use $crate::Slice;
      regex_bytes!(RE, $re);
      if RE.is_match(&$i) {
        Ok(($i.slice($i.input_len()..), $i))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpMatch)));
        res
      }
    }
  )
);

/// `re_find!(regexp) => &[T] -> IResult<&[T], &[T]>`
/// Returns the first match
///
/// requires the `regexp` feature
#[macro_export(local_inner_macros)]
macro_rules! re_find (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::Slice;
      let re = $crate::lib::regex::Regex::new($re).unwrap();
      if let Some(m) = re.find(&$i) {
        Ok(($i.slice(m.end()..), $i.slice(m.start()..m.end())))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpFind)));
        res
      }
    }
  )
);

#[cfg(feature = "regexp_macros")]
/// `re_find_static!(regexp) => &[T] -> IResult<&[T], &[T]>`
/// Returns the first match. Regular expression calculated at compile time
///
/// requires the `regexp_macros` feature
#[macro_export(local_inner_macros)]
macro_rules! re_find_static (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::Slice;
      regex!(RE, $re);
      if let Some(m) = RE.find(&$i) {
        Ok(($i.slice(m.end()..), $i.slice(m.start()..m.end())))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpFind)));
        res
      }
    }

  )
);

/// `re_bytes_find!(regexp) => &[T] -> IResult<&[T], &[T]>`
/// Returns the first match
///
/// requires the `regexp` feature
#[macro_export(local_inner_macros)]
macro_rules! re_bytes_find (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::Slice;
      let re = $crate::lib::regex::bytes::Regex::new($re).unwrap();
      if let Some(m) = re.find(&$i) {
        Ok(($i.slice(m.end()..), $i.slice(m.start()..m.end())))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpFind)));
        res
      }
    }
  )
);

#[cfg(feature = "regexp_macros")]
/// `re_bytes_find!(regexp) => &[T] -> IResult<&[T], &[T]>`
/// Returns the first match. Regular expression calculated at compile time
///
/// requires the `regexp_macros` feature
#[macro_export(local_inner_macros)]
macro_rules! re_bytes_find_static (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::Slice;
      regex_bytes!(RE, $re);
      if let Some(m) = RE.find(&$i) {
        Ok(($i.slice(m.end()..), $i.slice(m.start()..m.end())))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpFind)));
        res
      }
    }

  )
);

/// `re_matches!(regexp) => &[T] -> IResult<&[T], Vec<&[T]>>`
/// Returns all the matched parts
///
/// requires the `regexp` feature
#[macro_export(local_inner_macros)]
macro_rules! re_matches (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::Slice;
      let re = $crate::lib::regex::Regex::new($re).unwrap();
      let v: Vec<_> = re.find_iter(&$i).map(|m| $i.slice(m.start()..m.end())).collect();
      if v.len() != 0 {
        let offset = {
          let end = v.last().unwrap();
          end.as_ptr() as usize + end.len() - $i.as_ptr() as usize
        };
        Ok(($i.slice(offset..), v))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpMatches)));
        res
      }
    }
  )
);

#[cfg(feature = "regexp_macros")]
/// `re_matches_static!(regexp) => &[T] -> IResult<&[T], Vec<&[T]>>`
/// Returns all the matched parts. Regular expression calculated at compile time
///
/// requires the `regexp_macros` feature
#[macro_export(local_inner_macros)]
macro_rules! re_matches_static (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::Slice;
      regex!(RE, $re);
      let v: Vec<_> = RE.find_iter(&$i).map(|m| $i.slice(m.start()..m.end())).collect();
      if v.len() != 0 {
        let offset = {
          let end = v.last().unwrap();
          end.as_ptr() as usize + end.len() - $i.as_ptr() as usize
        };
        Ok(($i.slice(offset..), v))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpMatches)));
        res
      }
    }
  )
);

/// `re_bytes_matches!(regexp) => &[T] -> IResult<&[T], Vec<&[T]>>`
/// Returns all the matched parts
///
/// requires the `regexp` feature
#[macro_export(local_inner_macros)]
macro_rules! re_bytes_matches (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::Slice;
      let re = $crate::lib::regex::bytes::Regex::new($re).unwrap();
      let v: Vec<_> = re.find_iter(&$i).map(|m| $i.slice(m.start()..m.end())).collect();
      if v.len() != 0 {
        let offset = {
          let end = v.last().unwrap();
          end.as_ptr() as usize + end.len() - $i.as_ptr() as usize
        };
        Ok(($i.slice(offset..), v))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpMatches)));
        res
      }
    }
  )
);

#[cfg(feature = "regexp_macros")]
/// `re_bytes_matches_static!(regexp) => &[T] -> IResult<&[T], Vec<&[T]>>`
/// Returns all the matched parts. Regular expression calculated at compile time
///
/// requires the `regexp_macros` feature
#[macro_export(local_inner_macros)]
macro_rules! re_bytes_matches_static (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::Slice;
      regex_bytes!(RE, $re);
      let v: Vec<_> = RE.find_iter(&$i).map(|m| $i.slice(m.start()..m.end())).collect();
      if v.len() != 0 {
        let offset = {
          let end = v.last().unwrap();
          end.as_ptr() as usize + end.len() - $i.as_ptr() as usize
        };
        Ok(($i.slice(offset..), v))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpMatches)));
        res
      }
    }
  )
);

/// `re_capture!(regexp) => &[T] -> IResult<&[T], Vec<&[T]>>`
/// Returns the first capture group
///
/// requires the `regexp` feature
#[macro_export(local_inner_macros)]
macro_rules! re_capture (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::Slice;
      let re = $crate::lib::regex::Regex::new($re).unwrap();
      if let Some(c) = re.captures(&$i) {
        let v:Vec<_> = c.iter().filter(|el| el.is_some()).map(|el| el.unwrap()).map(|m| $i.slice(m.start()..m.end())).collect();
        let offset = {
          let end = v.last().unwrap();
          end.as_ptr() as usize + end.len() - $i.as_ptr() as usize
        };
        Ok(($i.slice(offset..), v))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpCapture)));
        res
      }
    }
  )
);

#[cfg(feature = "regexp_macros")]
/// `re_capture_static!(regexp) => &[T] -> IResult<&[T], Vec<&[T]>>`
/// Returns the first capture group. Regular expression calculated at compile time
///
/// requires the `regexp_macros` feature
#[macro_export(local_inner_macros)]
macro_rules! re_capture_static (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::Slice;
      regex!(RE, $re);
      if let Some(c) = RE.captures(&$i) {
        let v:Vec<_> = c.iter().filter(|el| el.is_some()).map(|el| el.unwrap()).map(|m| $i.slice(m.start()..m.end())).collect();
        let offset = {
          let end = v.last().unwrap();
          end.as_ptr() as usize + end.len() - $i.as_ptr() as usize
        };
        Ok(($i.slice(offset..), v))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpCapture)));
        res
      }
    }
  )
);

/// `re_bytes_capture!(regexp) => &[T] -> IResult<&[T], Vec<&[T]>>`
/// Returns the first capture group
///
/// requires the `regexp` feature
#[macro_export(local_inner_macros)]
macro_rules! re_bytes_capture (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::Slice;
      let re = $crate::lib::regex::bytes::Regex::new($re).unwrap();
      if let Some(c) = re.captures(&$i) {
        let v:Vec<_> = c.iter().filter(|el| el.is_some()).map(|el| el.unwrap()).map(|m| $i.slice(m.start()..m.end())).collect();
        let offset = {
          let end = v.last().unwrap();
          end.as_ptr() as usize + end.len() - $i.as_ptr() as usize
        };
        Ok(($i.slice(offset..), v))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpCapture)));
        res
      }
    }
  )
);

#[cfg(feature = "regexp_macros")]
/// `re_bytes_capture_static!(regexp) => &[T] -> IResult<&[T], Vec<&[T]>>`
/// Returns the first capture group. Regular expression calculated at compile time
///
/// requires the `regexp_macros` feature
#[macro_export(local_inner_macros)]
macro_rules! re_bytes_capture_static (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::Slice;
      regex_bytes!(RE, $re);
      if let Some(c) = RE.captures(&$i) {
        let v:Vec<_> = c.iter().filter(|el| el.is_some()).map(|el| el.unwrap()).map(|m| $i.slice(m.start()..m.end())).collect();
        let offset = {
          let end = v.last().unwrap();
          end.as_ptr() as usize + end.len() - $i.as_ptr() as usize
        };
        Ok(($i.slice(offset..), v))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpCapture)));
        res
      }
    }
  )
);

/// `re_captures!(regexp) => &[T] -> IResult<&[T], Vec<Vec<&[T]>>>`
/// Returns all the capture groups
///
/// requires the `regexp` feature
#[macro_export(local_inner_macros)]
macro_rules! re_captures (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::Slice;
      let re = $crate::lib::regex::Regex::new($re).unwrap();
      let v:Vec<Vec<_>> = re.captures_iter(&$i)
        .map(|c| c.iter().filter(|el| el.is_some()).map(|el| el.unwrap())
             .map(|m| $i.slice(m.start()..m.end())).collect()).collect();
      if v.len() != 0 {
        let offset = {
          let end = v.last().unwrap().last().unwrap();
          end.as_ptr() as usize + end.len() - $i.as_ptr() as usize
        };
        Ok(($i.slice(offset..), v))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpCapture)));
        res
      }
    }
  )
);

#[cfg(feature = "regexp_macros")]
/// `re_captures_static!(regexp) => &[T] -> IResult<&[T], Vec<Vec<&[T]>>>`
/// Returns all the capture groups. Regular expression calculated at compile time
///
/// requires the `regexp_macros` feature
#[macro_export(local_inner_macros)]
macro_rules! re_captures_static (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::Slice;
      regex!(RE, $re);
      let v:Vec<Vec<_>> = RE.captures_iter(&$i)
        .map(|c| c.iter().filter(|el| el.is_some()).map(|el| el.unwrap()).map(|m| $i.slice(m.start()..m.end())).collect()).collect();
      if v.len() != 0 {
        let offset = {
          let end = v.last().unwrap().last().unwrap();
          end.as_ptr() as usize + end.len() - $i.as_ptr() as usize
        };
        Ok(($i.slice(offset..), v))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpCapture)));
        res
      }
    }
  )
);

/// `re_bytes_captures!(regexp) => &[T] -> IResult<&[T], Vec<Vec<&[T]>>>`
/// Returns all the capture groups
///
/// requires the `regexp` feature
#[macro_export(local_inner_macros)]
macro_rules! re_bytes_captures (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::Slice;
      let re = $crate::lib::regex::bytes::Regex::new($re).unwrap();
      let v:Vec<Vec<_>> = re.captures_iter(&$i)
        .map(|c| c.iter().filter(|el| el.is_some()).map(|el| el.unwrap()).map(|m| $i.slice(m.start()..m.end())).collect()).collect();
      if v.len() != 0 {
        let offset = {
          let end = v.last().unwrap().last().unwrap();
          end.as_ptr() as usize + end.len() - $i.as_ptr() as usize
        };
        Ok(($i.slice(offset..), v))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpCapture)));
        res
      }
    }
  )
);

#[cfg(feature = "regexp_macros")]
/// `re_bytes_captures_static!(regexp) => &[T] -> IResult<&[T], Vec<Vec<&[T]>>>`
/// Returns all the capture groups. Regular expression calculated at compile time
///
/// requires the `regexp_macros` feature
#[macro_export(local_inner_macros)]
macro_rules! re_bytes_captures_static (
  ($i:expr, $re:expr) => (
    {
      use $crate::lib::std::result::Result::*;
      use $crate::{Err,error::ErrorKind,IResult};

      use $crate::Slice;
      regex_bytes!(RE, $re);
      let v:Vec<Vec<_>> = RE.captures_iter(&$i)
        .map(|c| c.iter().filter(|el| el.is_some()).map(|el| el.unwrap()).map(|m| $i.slice(m.start()..m.end())).collect()).collect();
      if v.len() != 0 {
        let offset = {
          let end = v.last().unwrap().last().unwrap();
          end.as_ptr() as usize + end.len() - $i.as_ptr() as usize
        };
        Ok(($i.slice(offset..), v))
      } else {
        let res: IResult<_,_> = Err(Err::Error(error_position!($i, ErrorKind::RegexpCapture)));
        res
      }
    }
  )
);
#[cfg(test)]
mod tests {
  #[cfg(feature = "alloc")]
  use crate::lib::std::vec::Vec;
  use crate::error::ErrorKind;
  use crate::internal::Err;

  #[test]
  fn re_match() {
    named!(rm<&str,&str>, re_match!(r"^\d{4}-\d{2}-\d{2}"));
    assert_eq!(rm("2015-09-07"), Ok(("", "2015-09-07")));
    assert_eq!(
      rm("blah"),
      Err(Err::Error(error_position!(
        &"blah"[..],
        ErrorKind::RegexpMatch
      ),))
    );
    assert_eq!(rm("2015-09-07blah"), Ok(("", "2015-09-07blah")));
  }

  #[cfg(feature = "regexp_macros")]
  #[test]
  fn re_match_static() {
    named!(rm<&str,&str>, re_match_static!(r"^\d{4}-\d{2}-\d{2}"));
    assert_eq!(rm("2015-09-07"), Ok(("", "2015-09-07")));
    assert_eq!(
      rm("blah"),
      Err(Err::Error(error_position!(
        &"blah"[..],
        ErrorKind::RegexpMatch
      ),))
    );
    assert_eq!(rm("2015-09-07blah"), Ok(("", "2015-09-07blah")));
  }

  #[test]
  fn re_find() {
    named!(rm<&str,&str>, re_find!(r"^\d{4}-\d{2}-\d{2}"));
    assert_eq!(rm("2015-09-07"), Ok(("", "2015-09-07")));
    assert_eq!(
      rm("blah"),
      Err(Err::Error(error_position!(
        &"blah"[..],
        ErrorKind::RegexpFind
      ),))
    );
    assert_eq!(rm("2015-09-07blah"), Ok(("blah", "2015-09-07")));
  }

  #[cfg(feature = "regexp_macros")]
  #[test]
  fn re_find_static() {
    named!(rm<&str,&str>, re_find_static!(r"^\d{4}-\d{2}-\d{2}"));
    assert_eq!(rm("2015-09-07"), Ok(("", "2015-09-07")));
    assert_eq!(
      rm("blah"),
      Err(Err::Error(error_position!(
        &"blah"[..],
        ErrorKind::RegexpFind
      ),))
    );
    assert_eq!(rm("2015-09-07blah"), Ok(("blah", "2015-09-07")));
  }

  #[cfg(feature = "alloc")]
  #[test]
  fn re_matches() {
    named!(rm< &str,Vec<&str> >, re_matches!(r"\d{4}-\d{2}-\d{2}"));
    assert_eq!(rm("2015-09-07"), Ok(("", vec!["2015-09-07"])));
    assert_eq!(
      rm("blah"),
      Err(Err::Error(error_position!(
        &"blah"[..],
        ErrorKind::RegexpMatches
      )))
    );
    assert_eq!(
      rm("aaa2015-09-07blah2015-09-09pouet"),
      Ok(("pouet", vec!["2015-09-07", "2015-09-09"]))
    );
  }

  #[cfg(feature = "regexp_macros")]
  #[cfg(feature = "alloc")]
  #[test]
  fn re_matches_static() {
    named!(rm< &str,Vec<&str> >, re_matches_static!(r"\d{4}-\d{2}-\d{2}"));
    assert_eq!(rm("2015-09-07"), Ok(("", vec!["2015-09-07"])));
    assert_eq!(
      rm("blah"),
      Err(Err::Error(error_position!(
        &"blah"[..],
        ErrorKind::RegexpMatches
      )))
    );
    assert_eq!(
      rm("aaa2015-09-07blah2015-09-09pouet"),
      Ok(("pouet", vec!["2015-09-07", "2015-09-09"]))
    );
  }

  #[cfg(feature = "alloc")]
  #[test]
  fn re_capture() {
    named!(rm< &str,Vec<&str> >, re_capture!(r"([[:alpha:]]+)\s+((\d+).(\d+).(\d+))"));
    assert_eq!(
      rm("blah nom 0.3.11pouet"),
      Ok(("pouet", vec!["nom 0.3.11", "nom", "0.3.11", "0", "3", "11"]))
    );
    assert_eq!(
      rm("blah"),
      Err(Err::Error(error_position!(
        &"blah"[..],
        ErrorKind::RegexpCapture
      )))
    );
    assert_eq!(
      rm("hello nom 0.3.11 world regex 0.1.41"),
      Ok((
        " world regex 0.1.41",
        vec!["nom 0.3.11", "nom", "0.3.11", "0", "3", "11"]
      ))
    );
  }

  #[cfg(feature = "alloc")]
  #[cfg(feature = "regexp_macros")]
  #[test]
  fn re_capture_static() {
    named!(rm< &str,Vec<&str> >, re_capture_static!(r"([[:alpha:]]+)\s+((\d+).(\d+).(\d+))"));
    assert_eq!(
      rm("blah nom 0.3.11pouet"),
      Ok(("pouet", vec!["nom 0.3.11", "nom", "0.3.11", "0", "3", "11"]))
    );
    assert_eq!(
      rm("blah"),
      Err(Err::Error(error_position!(
        &"blah"[..],
        ErrorKind::RegexpCapture
      )))
    );
    assert_eq!(
      rm("hello nom 0.3.11 world regex 0.1.41"),
      Ok((
        " world regex 0.1.41",
        vec!["nom 0.3.11", "nom", "0.3.11", "0", "3", "11"]
      ))
    );
  }

  #[cfg(feature = "alloc")]
  #[test]
  fn re_captures() {
    named!(rm< &str,Vec<Vec<&str>> >, re_captures!(r"([[:alpha:]]+)\s+((\d+).(\d+).(\d+))"));
    assert_eq!(
      rm("blah nom 0.3.11pouet"),
      Ok((
        "pouet",
        vec![vec!["nom 0.3.11", "nom", "0.3.11", "0", "3", "11"]]
      ))
    );
    assert_eq!(
      rm("blah"),
      Err(Err::Error(error_position!(
        &"blah"[..],
        ErrorKind::RegexpCapture
      )))
    );
    assert_eq!(
      rm("hello nom 0.3.11 world regex 0.1.41 aaa"),
      Ok((
        " aaa",
        vec![
          vec!["nom 0.3.11", "nom", "0.3.11", "0", "3", "11"],
          vec!["regex 0.1.41", "regex", "0.1.41", "0", "1", "41"],
        ]
      ))
    );
  }

  #[cfg(feature = "alloc")]
  #[cfg(feature = "regexp_macros")]
  #[test]
  fn re_captures_static() {
    named!(rm< &str,Vec<Vec<&str>> >, re_captures_static!(r"([[:alpha:]]+)\s+((\d+).(\d+).(\d+))"));
    assert_eq!(
      rm("blah nom 0.3.11pouet"),
      Ok((
        "pouet",
        vec![vec!["nom 0.3.11", "nom", "0.3.11", "0", "3", "11"]]
      ))
    );
    assert_eq!(
      rm("blah"),
      Err(Err::Error(error_position!(
        &"blah"[..],
        ErrorKind::RegexpCapture
      )))
    );
    assert_eq!(
      rm("hello nom 0.3.11 world regex 0.1.41 aaa"),
      Ok((
        " aaa",
        vec![
          vec!["nom 0.3.11", "nom", "0.3.11", "0", "3", "11"],
          vec!["regex 0.1.41", "regex", "0.1.41", "0", "1", "41"],
        ]
      ))
    );
  }

  #[test]
  fn re_bytes_match() {
    named!(rm, re_bytes_match!(r"^\d{4}-\d{2}-\d{2}"));
    assert_eq!(rm(&b"2015-09-07"[..]), Ok((&b""[..], &b"2015-09-07"[..])));
    assert_eq!(
      rm(&b"blah"[..]),
      Err(Err::Error(error_position!(
        &b"blah"[..],
        ErrorKind::RegexpMatch
      )))
    );
    assert_eq!(
      rm(&b"2015-09-07blah"[..]),
      Ok((&b""[..], &b"2015-09-07blah"[..]))
    );
  }

  #[cfg(feature = "regexp_macros")]
  #[test]
  fn re_bytes_match_static() {
    named!(rm, re_bytes_match_static!(r"^\d{4}-\d{2}-\d{2}"));
    assert_eq!(rm(&b"2015-09-07"[..]), Ok((&b""[..], &b"2015-09-07"[..])));
    assert_eq!(
      rm(&b"blah"[..]),
      Err(Err::Error(error_position!(
        &b"blah"[..],
        ErrorKind::RegexpMatch
      )))
    );
    assert_eq!(
      rm(&b"2015-09-07blah"[..]),
      Ok((&b""[..], &b"2015-09-07blah"[..]))
    );
  }

  #[test]
  fn re_bytes_find() {
    named!(rm, re_bytes_find!(r"^\d{4}-\d{2}-\d{2}"));
    assert_eq!(rm(&b"2015-09-07"[..]), Ok((&b""[..], &b"2015-09-07"[..])));
    assert_eq!(
      rm(&b"blah"[..]),
      Err(Err::Error(error_position!(
        &b"blah"[..],
        ErrorKind::RegexpFind
      )))
    );
    assert_eq!(
      rm(&b"2015-09-07blah"[..]),
      Ok((&b"blah"[..], &b"2015-09-07"[..]))
    );
  }

  #[cfg(feature = "regexp_macros")]
  #[test]
  fn re_bytes_find_static() {
    named!(rm, re_bytes_find_static!(r"^\d{4}-\d{2}-\d{2}"));
    assert_eq!(rm(&b"2015-09-07"[..]), Ok((&b""[..], &b"2015-09-07"[..])));
    assert_eq!(
      rm(&b"blah"[..]),
      Err(Err::Error(error_position!(
        &b"blah"[..],
        ErrorKind::RegexpFind
      )))
    );
    assert_eq!(
      rm(&b"2015-09-07blah"[..]),
      Ok((&b"blah"[..], &b"2015-09-07"[..]))
    );
  }

  #[cfg(feature = "alloc")]
  #[test]
  fn re_bytes_matches() {
    named!(rm<Vec<&[u8]>>, re_bytes_matches!(r"\d{4}-\d{2}-\d{2}"));
    assert_eq!(
      rm(&b"2015-09-07"[..]),
      Ok((&b""[..], vec![&b"2015-09-07"[..]]))
    );
    assert_eq!(
      rm(&b"blah"[..]),
      Err(Err::Error(error_position!(
        &b"blah"[..],
        ErrorKind::RegexpMatches
      )))
    );
    assert_eq!(
      rm(&b"aaa2015-09-07blah2015-09-09pouet"[..]),
      Ok((&b"pouet"[..], vec![&b"2015-09-07"[..], &b"2015-09-09"[..]]))
    );
  }

  #[cfg(feature = "alloc")]
  #[cfg(feature = "regexp_macros")]
  #[test]
  fn re_bytes_matches_static() {
    named!(
      rm<Vec<&[u8]>>,
      re_bytes_matches_static!(r"\d{4}-\d{2}-\d{2}")
    );
    assert_eq!(
      rm(&b"2015-09-07"[..]),
      Ok((&b""[..], vec![&b"2015-09-07"[..]]))
    );
    assert_eq!(
      rm(&b"blah"[..]),
      Err(Err::Error(error_position!(
        &b"blah"[..],
        ErrorKind::RegexpMatches
      )))
    );
    assert_eq!(
      rm(&b"aaa2015-09-07blah2015-09-09pouet"[..]),
      Ok((&b"pouet"[..], vec![&b"2015-09-07"[..], &b"2015-09-09"[..]]))
    );
  }

  #[cfg(feature = "alloc")]
  #[test]
  fn re_bytes_capture() {
    named!(
      rm<Vec<&[u8]>>,
      re_bytes_capture!(r"([[:alpha:]]+)\s+((\d+).(\d+).(\d+))")
    );
    assert_eq!(
      rm(&b"blah nom 0.3.11pouet"[..]),
      Ok((
        &b"pouet"[..],
        vec![
          &b"nom 0.3.11"[..],
          &b"nom"[..],
          &b"0.3.11"[..],
          &b"0"[..],
          &b"3"[..],
          &b"11"[..],
        ]
      ))
    );
    assert_eq!(
      rm(&b"blah"[..]),
      Err(Err::Error(error_position!(
        &b"blah"[..],
        ErrorKind::RegexpCapture
      )))
    );
    assert_eq!(
      rm(&b"hello nom 0.3.11 world regex 0.1.41"[..]),
      Ok((
        &b" world regex 0.1.41"[..],
        vec![
          &b"nom 0.3.11"[..],
          &b"nom"[..],
          &b"0.3.11"[..],
          &b"0"[..],
          &b"3"[..],
          &b"11"[..],
        ]
      ))
    );
  }

  #[cfg(feature = "alloc")]
  #[cfg(feature = "regexp_macros")]
  #[test]
  fn re_bytes_capture_static() {
    named!(
      rm<Vec<&[u8]>>,
      re_bytes_capture_static!(r"([[:alpha:]]+)\s+((\d+).(\d+).(\d+))")
    );
    assert_eq!(
      rm(&b"blah nom 0.3.11pouet"[..]),
      Ok((
        &b"pouet"[..],
        vec![
          &b"nom 0.3.11"[..],
          &b"nom"[..],
          &b"0.3.11"[..],
          &b"0"[..],
          &b"3"[..],
          &b"11"[..],
        ]
      ))
    );
    assert_eq!(
      rm(&b"blah"[..]),
      Err(Err::Error(error_position!(
        &b"blah"[..],
        ErrorKind::RegexpCapture
      )))
    );
    assert_eq!(
      rm(&b"hello nom 0.3.11 world regex 0.1.41"[..]),
      Ok((
        &b" world regex 0.1.41"[..],
        vec![
          &b"nom 0.3.11"[..],
          &b"nom"[..],
          &b"0.3.11"[..],
          &b"0"[..],
          &b"3"[..],
          &b"11"[..],
        ]
      ))
    );
  }

  #[cfg(feature = "alloc")]
  #[test]
  fn re_bytes_captures() {
    named!(
      rm<Vec<Vec<&[u8]>>>,
      re_bytes_captures!(r"([[:alpha:]]+)\s+((\d+).(\d+).(\d+))")
    );
    assert_eq!(
      rm(&b"blah nom 0.3.11pouet"[..]),
      Ok((
        &b"pouet"[..],
        vec![
          vec![
            &b"nom 0.3.11"[..],
            &b"nom"[..],
            &b"0.3.11"[..],
            &b"0"[..],
            &b"3"[..],
            &b"11"[..],
          ],
        ]
      ))
    );
    assert_eq!(
      rm(&b"blah"[..]),
      Err(Err::Error(error_position!(
        &b"blah"[..],
        ErrorKind::RegexpCapture
      )))
    );
    assert_eq!(
      rm(&b"hello nom 0.3.11 world regex 0.1.41 aaa"[..]),
      Ok((
        &b" aaa"[..],
        vec![
          vec![
            &b"nom 0.3.11"[..],
            &b"nom"[..],
            &b"0.3.11"[..],
            &b"0"[..],
            &b"3"[..],
            &b"11"[..],
          ],
          vec![
            &b"regex 0.1.41"[..],
            &b"regex"[..],
            &b"0.1.41"[..],
            &b"0"[..],
            &b"1"[..],
            &b"41"[..],
          ],
        ]
      ))
    );
  }

  #[cfg(feature = "alloc")]
  #[cfg(feature = "regexp_macros")]
  #[test]
  fn re_bytes_captures_static() {
    named!(
      rm<Vec<Vec<&[u8]>>>,
      re_bytes_captures_static!(r"([[:alpha:]]+)\s+((\d+).(\d+).(\d+))")
    );
    assert_eq!(
      rm(&b"blah nom 0.3.11pouet"[..]),
      Ok((
        &b"pouet"[..],
        vec![
          vec![
            &b"nom 0.3.11"[..],
            &b"nom"[..],
            &b"0.3.11"[..],
            &b"0"[..],
            &b"3"[..],
            &b"11"[..],
          ],
        ]
      ))
    );
    assert_eq!(
      rm(&b"blah"[..]),
      Err(Err::Error(error_position!(
        &b"blah"[..],
        ErrorKind::RegexpCapture
      )))
    );
    assert_eq!(
      rm(&b"hello nom 0.3.11 world regex 0.1.41 aaa"[..]),
      Ok((
        &b" aaa"[..],
        vec![
          vec![
            &b"nom 0.3.11"[..],
            &b"nom"[..],
            &b"0.3.11"[..],
            &b"0"[..],
            &b"3"[..],
            &b"11"[..],
          ],
          vec![
            &b"regex 0.1.41"[..],
            &b"regex"[..],
            &b"0.1.41"[..],
            &b"0"[..],
            &b"1"[..],
            &b"41"[..],
          ],
        ]
      ))
    );
  }
}