// include the latest version of the regex crate in your Cargo.toml
extern crate regex;
use regex::Regex;
fn main() {
let regex = Regex::new(r"(?mx)(\$)
# Regexp for textmate dynamic variables
#TM_(
# BUNDLE_SUPPORT|COMMENT_(?:END|MODE|START)|CURRENT_(?:LINE|WORD)|DIRECTORY|FILE(?:NAME|PATH)|
# LINE_(?:INDEX|NUMBER)|PROJECT_DIRECTORY|SCOPE|SELECTED_(?:FILE[S]?|TEXT)|SOFT_TABS|SUPPORT_PATH|TAB_SIZE
#)
(?:
# BASIC
# BASIC: Variable name, no brackets
(?:(TM_[A-Z]+(?:_[A-Z]+)*)|([\d]))(?!\{)
|
# BRACKETED
([\{])
# BRACKETED: Variable name
(?:(TM_[A-Z]+(?:_[A-Z]+)*)|([\d]))
# BRACKETED: Post variable name expression
(?:
# Default keyword, single
([:].+?(?=[\}]))
|
# Default keyword, options
([\|].+?[\|](?=[\}]))
|
# Regular expression
(?:
([\/])
(.+?(?=\/))
([\/])
(.+?(?=\/))
([\/])
# Flags
# Not sure how to validate fully without back references?
([imx]{3})
(?=\})
)
|
(?:
([\/])
([^\/\}]+?)
(
(?<![\\]{2})
[\/]
)
([^\/\}]+?)
(
(?<![\\]{2})
[\/]
)
# Flags
# Not sure how to validate fully without back references?
([imx]{3})
)
|
# Match to bracket
(.+?(?=[\}]))?
)?
([\}])
)").unwrap();
let string = "~~ Number Variables ~~~~~~~~~
Basic
\"$0\"
Bracketed
\"${1}
Default Value
\"${2:default}\"
Default Values
\"${3|defaultA,defaultB|}\"
Regex Replace
\"${4/find/replace/gmi}\"
~~ Dynamic Variables ~~~~~~~~
Basic
\"$TM_SELECTION_START\"
Bracketed
\"${TM_SELECTION_END}\"
Default Value
\"${TM_SELECTED_FILE:default}\"
Default Values
\"${TM_SELECTED_TEXT|defaultA,defaultB|}\"
Regex Replace
\"${TM_SELECTED_FILES/find/replace/gmi}\"
";
// result will be an iterator over tuples containing the start and end indices for each match in the string
let result = regex.captures_iter(string);
for mat in result {
println!("{:?}", mat);
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Rust, please visit: https://docs.rs/regex/latest/regex/