int endLiteral = endPrefixWildcard;
        for(; endLiteral < source.length(); endLiteral++) {
            ch = source.charAt(endLiteral);
            if (ch == '?') {
                // No matches - fall back to regexp
                return new RegExpPatternStep(source, caseSensitive);
            }
            if (ch == '*') {
                break;
            }
        }
        if (endLiteral == source.length()) {

func checkAllProviders(e2eFile string) error {
	checkFailed := false
	inConformanceCode := false

	regStartConformance := regexp.MustCompile(patternStartConformance)
	regEndConformance := regexp.MustCompile(patternEndConformance)
	regSkip := regexp.MustCompile(patternSkip)

	fileInput, err := os.ReadFile(e2eFile)
	if err != nil {
		return fmt.Errorf("Failed to read file %s: %w", e2eFile, err)
	}

# Regression test for golang.org/issue/6844:
# 'go test -a' should force dependencies in the standard library to be rebuilt.

[short] skip

go test -x -a -c testdata/dep_test.go
stderr '^.*[/\\]compile'$GOEXE'["]? (.* )?regexp .*[/\\]regexp\.go'

-- testdata/dep_test.go --
package deps

	< text/template/parse;

	net/url, text/template/parse
	< text/template
	< internal/lazytemplate;

	# regexp
	FMT, sort
	< regexp/syntax
	< regexp
	< internal/lazyregexp;

	encoding/json, html, text/template, regexp
	< html/template;

	# suffix array
	encoding/binary, regexp
	< index/suffixarray;

	# executable parsing

	"focus": helpText(
		"Restricts to samples going through a node matching regexp",
		"Discard samples that do not include a node matching this regexp.",
		"Matching includes the function name, filename or object name."),
	"ignore": helpText(
		"Skips paths going through any nodes matching regexp",
		"If set, discard samples that include a node matching this regexp.",
		"Matching includes the function name, filename or object name."),

)

var (
	hexRe                 = regexp.MustCompile("0x[a-zA-Z0-9]+")
	numRe                 = regexp.MustCompile(`-?\d+`)
	stringRe              = regexp.MustCompile(`([^\"]|(\.))*`)
	leadingDollarNumberRe = regexp.MustCompile(`^[$]\d+`)
	optOutGdbRe           = regexp.MustCompile("[<]optimized out[>]")
	numberColonRe         = regexp.MustCompile(`^ *\d+:`)
)

	"bufio"
	"bytes"
	"flag"
	"fmt"
	"internal/testenv"
	"os"
	"path/filepath"
	"reflect"
	"regexp"
	"runtime"
	"sort"
	"strconv"
	"strings"
	"testing"
)

// Matches lines in genssa output that are marked "isstmt", and the parenthesized plus-prefixed line number is a submatch
var asmLine *regexp.Regexp = regexp.MustCompile(`^\s[vb]\d+\s+\d+\s\(\+(\d+)\)`)

	}

	// parse the flags to figure out which ones stand for analyses
	analyzerSet := make(map[string]bool)
	rEnable := regexp.MustCompile("^enable .+ analysis$")
	for _, flag := range analysisFlags {
		if rEnable.MatchString(flag.Usage) {
			analyzerSet[flag.Name] = true
		}
	}

	rDeprecated := regexp.MustCompile("^deprecated alias for -(?P<analyzer>(.+))$")
	// Returns the original value matched by rDeprecated on input value.

// the regexes must include two named groups "poduid" and "containerid"
// if the regex needs to exclude certain substrings, the "mustnotmatch" group can be used
// nolint: lll
var cgroupREs = []*regexp.Regexp{
	// the regex used to parse out the pod UID and container ID from a
	// cgroup name. It assumes that any ".scope" suffix has been trimmed off
	// beforehand.  CAUTION: we used to verify that the pod and container id were

	regex         = flag.String("include-path", "(test/e2e/|test/e2e_node)", "only files with paths matching this regex is touched")
	isTerminal    = term.IsTerminal(int(os.Stdout.Fd()))
	logPrefix     = ""
	aliases       = map[*regexp.Regexp]string{}
)

type analyzer struct {
	fset      *token.FileSet // positions are relative to fset
	ctx       build.Context
	failed    bool
	donePaths map[string]interface{}
}