package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(\$)
# 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
(.+?(?=[\}]))?
)?
([\}])
)`)
var str = `~~ 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}"
`
for i, match := range re.FindAllString(str, -1) {
fmt.Println(match, "found at index", i)
}
}
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 Golang, please visit: https://golang.org/pkg/regexp/