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Add names to ReplaceAll syntax

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Elara 2022-05-21 11:45:30 -07:00
parent a937a67bab
commit 06785bac1a
1 changed files with 6 additions and 2 deletions
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6
pcre.go
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@ -370,7 +370,8 @@ func (r *Regexp) NumSubexp() int {
// regular expression with the replacement text repl. // regular expression with the replacement text repl.
// Inside repl, $ signs are interpreted as in Expand, // Inside repl, $ signs are interpreted as in Expand,
// so for instance $1 represents the text of the first // so for instance $1 represents the text of the first
// submatch. // submatch and $name would represent the text of the
// subexpression called "name".
func (r *Regexp) ReplaceAll(src, repl []byte) []byte { func (r *Regexp) ReplaceAll(src, repl []byte) []byte {
matches, err := r.match(src, 0, true) matches, err := r.match(src, 0, true)
if err != nil { if err != nil {
@ -388,8 +389,11 @@ func (r *Regexp) ReplaceAll(src, repl []byte) []byte {
replStr := os.Expand(string(repl), func(s string) string { replStr := os.Expand(string(repl), func(s string) string {
i, err := strconv.Atoi(s) i, err := strconv.Atoi(s)
if err != nil { if err != nil {
i = r.SubexpIndex(s)
if i == -1 {
return "" return ""
} }
}
// If there given match does not exist, return empty string // If there given match does not exist, return empty string
if i == 0 || len(match) < (2*i)+1 { if i == 0 || len(match) < (2*i)+1 {