func golang.org/x/mod/semver.isIdentChar
3 uses
golang.org/x/mod/semver (current package)
semver.go#L261: if !isIdentChar(v[i]) && v[i] != '.' {
semver.go#L285: if !isIdentChar(v[i]) && v[i] != '.' {
semver.go#L302: func isIdentChar(c byte) bool {
The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)