}
    }

    public void addClient(final String regex, final CrawlerClient client) {
        if (StringUtil.isBlank(regex)) {
            throw new CrawlerSystemException("A regular expression is null.");
        }
        if (client == null) {
            throw new CrawlerSystemException("CrawlerClient is null.");
        }
        clientMap.put(Pattern.compile(regex), client);
    }

        "regex": "^mongo\\.(.+?)\\.(collection|cmd|cx_|op_|delays_|decoding_)(.*?)$"
      },
      {
        "regex": "(cache\\.(.+?)\\.)",
        "tag_name": "cache"
      },
      {
        "regex": "(component\\.(.+?)\\.)",
        "tag_name": "component"
      },
      {
        "regex": "(tag\\.(.+?);\\.)",
        "tag_name": "tag"
      },
      {
        "regex": "(wasm_filter\\.(.+?)\\.)",

package runtime_test

import (
	"fmt"
	"internal/testenv"
	"regexp"
	"runtime"
	"strings"
	"sync"
	"sync/atomic"
	"testing"
)

func skipDebugLog(t *testing.T) {
	if !runtime.DlogEnabled {
		t.Skip("debug log disabled (rebuild with -tags debuglog)")
	}
}

func dlogCanonicalize(x string) string {
	begin := regexp.MustCompile(`(?m)^>> begin log \d+ <<\n`)
	x = begin.ReplaceAllString(x, "")

        checkNotNull(groupRegex, "Group regex cannot be null");
        checkNotNull(moduleNameRegex, "Module name regex cannot be null");
        checkNotNull(versionRegex, "Version regex cannot be null");
        addInclude(groupRegex, moduleNameRegex, versionRegex, MatcherKind.REGEX);
    }

                    "strict": strict,
                    "json_schema_extra": current_json_schema_extra,
                }
            )
            kwargs["pattern"] = pattern or regex
        else:
            kwargs["regex"] = pattern or regex
            kwargs.update(**current_json_schema_extra)
        use_kwargs = {k: v for k, v in kwargs.items() if v is not _Unset}

        super().__init__(**use_kwargs)

                      safeRegex:
                        regex: .*/ns/istio-system/.*
            - orIds:
                ids:
                - authenticated:
                    principalName:
                      safeRegex:
                        regex: .+
                - authenticated:
                    principalName:
                      safeRegex:
                        regex: spiffe://.*/ns/foo/sa/all-td

	return kvh.kubelet.nodeName
}

func (kvh *kubeletVolumeHost) GetEventRecorder() record.EventRecorder {
	return kvh.kubelet.recorder
}

func (kvh *kubeletVolumeHost) GetExec(pluginName string) utilexec.Interface {
	return kvh.exec

signals=$(
	echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
	awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' |
	grep -v 'SIGSTKSIZE\|SIGSTKSZ\|SIGRT' |
	sort
)

# Again, writing regexps to a file.
echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
	awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print "^\t" $2 "[ \t]*=" }' |
	sort >_error.grep
echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |

// limitations under the License.
package kubeinject

import (
	"fmt"
	"regexp"
	"strings"
	"testing"

	"istio.io/istio/istioctl/pkg/cli"
	"istio.io/istio/istioctl/pkg/util/testutil"
)

func TestKubeInject(t *testing.T) {
	cases := []testutil.TestCase{
		{ // case 0
			Args:           []string{},
			ExpectedRegexp: regexp.MustCompile(`filename not specified \(see --filename or -f\)`),
			WantException:  true,

		{name: "regex without headers match ?", route: &networking.HTTPRoute{
			Redirect: &networking.HTTPRedirect{
				Uri:       "/",
				Authority: "foo.biz",
			},
			Match: []*networking.HTTPMatchRequest{{
				WithoutHeaders: map[string]*networking.StringMatch{
					"header": {
						MatchType: &networking.StringMatch_Regex{Regex: "?"},
					},
				},
			}},
		}, valid: false},