diff --git a/check b/check
index 0b2f10ed..1a43c116 100755
--- a/check
+++ b/check
@@ -389,7 +389,7 @@ if $have_test_arg; then
 				test_name=`basename $t`
 				group_file=$SRC_DIR/$test_dir/group.list
 
-				if egrep -q "^$test_name" $group_file; then
+				if grep -Eq "^$test_name" $group_file; then
 					# in group file ... OK
 					echo $SRC_DIR/$test_dir/$test_name \
 						>>$tmp.arglist
diff --git a/common/btrfs b/common/btrfs
index bd2639bf..d27d3384 100644
--- a/common/btrfs
+++ b/common/btrfs
@@ -9,7 +9,7 @@ _btrfs_get_subvolid()
 	mnt=$1
 	name=$2
 
-	$BTRFS_UTIL_PROG sub list $mnt | egrep "\s$name$" | $AWK_PROG '{ print $2 }'
+	$BTRFS_UTIL_PROG sub list $mnt | grep -E "\s$name$" | $AWK_PROG '{ print $2 }'
 }
 
 # _require_btrfs_command <command> [<subcommand>|<option>]
@@ -183,7 +183,7 @@ _check_btrfs_filesystem()
 
 _require_btrfs_dev_del_by_devid()
 {
-	$BTRFS_UTIL_PROG device delete --help | egrep devid > /dev/null 2>&1
+	$BTRFS_UTIL_PROG device delete --help | grep -E devid > /dev/null 2>&1
 	[ $? -eq 0 ] || _notrun "$BTRFS_UTIL_PROG too old "\
 			"(must support 'btrfs device delete <devid> /<mnt>')"
 }
diff --git a/common/dmlogwrites b/common/dmlogwrites
index 66c57e2b..9fa1c977 100644
--- a/common/dmlogwrites
+++ b/common/dmlogwrites
@@ -51,7 +51,7 @@ _require_log_writes_dax_mountopt()
 	# Check options to be sure.
 	# XFS ignores dax option(or changes it to dax=never)
 	# and goes on if dev underneath does not support dax.
-	_fs_options $LOGWRITES_DMDEV | egrep -q "dax(=always|,|$)"
+	_fs_options $LOGWRITES_DMDEV | grep -Eq "dax(=always|,|$)"
 	ret=$?
 	_log_writes_cleanup
 	if [ $ret -ne 0 ]; then
diff --git a/common/dump b/common/dump
index 0dcc9655..8e0446d9 100644
--- a/common/dump
+++ b/common/dump
@@ -128,7 +128,7 @@ _check_onl()
     fi
 
 
-    if egrep -i 'onl|ready' $tmp.status | grep -iv 'not ready' >/dev/null; then
+    if grep -Ei 'onl|ready' $tmp.status | grep -iv 'not ready' >/dev/null; then
 	:
     else
 	echo "ERROR: $dumptape is not online"
@@ -145,7 +145,7 @@ _wait_tape()
     i=0
     while [ $i -lt 20 ]; do
         echo "Checking status..." >>$seqres.full
-	if _mt status 2>&1 | tee -a $seqres.full | egrep -i "onl|ready" >/dev/null; then
+	if _mt status 2>&1 | tee -a $seqres.full | grep -Ei "onl|ready" >/dev/null; then
 	    break;
 	else
 	    sleep 1
diff --git a/common/encrypt b/common/encrypt
index 8f3c46f6..5e3c6c4b 100644
--- a/common/encrypt
+++ b/common/encrypt
@@ -49,7 +49,7 @@ _require_scratch_encryption()
 	# some older kernels and is ext4-specific anyway.)
 	mkdir $SCRATCH_MNT/tmpdir
 	if _set_encpolicy $SCRATCH_MNT/tmpdir 2>&1 >>$seqres.full | \
-		egrep -q 'Inappropriate ioctl for device|Operation not supported'
+		grep -Eq 'Inappropriate ioctl for device|Operation not supported'
 	then
 		_notrun "kernel does not support $FSTYP encryption"
 	fi
@@ -125,7 +125,7 @@ _require_encryption_policy_support()
 		local keyspec=$(_generate_session_encryption_key)
 	fi
 	if _set_encpolicy $dir $keyspec $set_encpolicy_args \
-		2>&1 >>$seqres.full | egrep -q 'Invalid argument'; then
+		2>&1 >>$seqres.full | grep -Eq 'Invalid argument'; then
 		_notrun "kernel does not support encryption policy: '$set_encpolicy_args'"
 	fi
 	# fscrypt allows setting policies with modes it knows about, even
diff --git a/common/filter b/common/filter
index 28dea646..6433a30e 100644
--- a/common/filter
+++ b/common/filter
@@ -347,7 +347,7 @@ _filter_size_to_bytes()
 # verbose output
 _filter_fstrim()
 {
-	egrep -o "[0-9]+ bytes" | $AWK_PROG '{print $1}'
+	grep -Eo "[0-9]+ bytes" | $AWK_PROG '{print $1}'
 }
 
 # Remove the ending dot appended to mount error message, util-linux 2.30
diff --git a/common/fuzzy b/common/fuzzy
index 809dee54..b4fda6f5 100644
--- a/common/fuzzy
+++ b/common/fuzzy
@@ -91,11 +91,11 @@ __filter_xfs_db_print_fields() {
 		else
 			echo "${fuzzkey}"
 		fi
-	done | egrep "${filter}"
+	done | grep -E "${filter}"
 }
 
 # Navigate to some part of the filesystem and print the field info.
-# The first argument is an egrep filter for the fields
+# The first argument is an grep filter for the fields
 # The rest of the arguments are xfs_db commands to locate the metadata.
 _scratch_xfs_list_metadata_fields() {
 	filter="$1"
@@ -289,7 +289,7 @@ _scratch_xfs_list_fuzz_verbs() {
 }
 
 # Fuzz some of the fields of some piece of metadata
-# The first argument is an egrep filter for the field names
+# The first argument is an grep filter for the field names
 # The second argument is the repair mode (online, offline, both)
 # The rest of the arguments are xfs_db commands to locate the metadata.
 #
diff --git a/common/populate b/common/populate
index 867776cd..9739ac99 100644
--- a/common/populate
+++ b/common/populate
@@ -132,7 +132,7 @@ _populate_xfs_qmount_option()
 	# Inject our quota mount options
 	if echo "${MOUNT_OPTIONS}" | grep -q "${quota}"; then
 		return
-	elif echo "${MOUNT_OPTIONS}" | egrep -q '(quota|noenforce)'; then
+	elif echo "${MOUNT_OPTIONS}" | grep -Eq '(quota|noenforce)'; then
 		_qmount_option "${quota}"
 	else
 		export MOUNT_OPTIONS="$MOUNT_OPTIONS -o ${quota}"
diff --git a/common/quota b/common/quota
index 3a758e0f..22be3c69 100644
--- a/common/quota
+++ b/common/quota
@@ -141,7 +141,7 @@ _require_nobody()
     _cat_passwd | grep -q '^nobody'
     [ $? -ne 0 ] && _notrun "password file does not contain user nobody."
 
-    _cat_group | egrep -q '^no(body|group)'
+    _cat_group | grep -Eq '^no(body|group)'
     [ $? -ne 0 ] && _notrun "group file does not contain nobody/nogroup."
 }
 
@@ -192,7 +192,7 @@ _choose_uid()
 
 _choose_gid()
 {
-    _cat_group | egrep '^no(body|group)' | perl -ne '@a = split(/:/); END { printf "id=%d name=%s\n", $a[2],$a[0] }'
+    _cat_group | grep -E '^no(body|group)' | perl -ne '@a = split(/:/); END { printf "id=%d name=%s\n", $a[2],$a[0] }'
 }
 
 _choose_prid()
@@ -323,12 +323,12 @@ _check_quota_usage()
 
 # Report the block usage of root, $qa_user, and nobody
 _report_quota_blocks() {
-	repquota $1 | egrep "^($qa_user|root|nobody)" | awk '{print $1, $3, $4, $5}' | sort -r
+	repquota $1 | grep -E "^($qa_user|root|nobody)" | awk '{print $1, $3, $4, $5}' | sort -r
 }
 
 # Report the inode usage of root, $qa_user, and nobody
 _report_quota_inodes() {
-	repquota $1 | egrep "^($qa_user|root|nobody)" | awk '{print $1, $6, $7, $8}' | sort -r
+	repquota $1 | grep -E "^($qa_user|root|nobody)" | awk '{print $1, $6, $7, $8}' | sort -r
 }
 
 # Determine which type of quota we're using
diff --git a/common/rc b/common/rc
index 197c9415..da2e7279 100644
--- a/common/rc
+++ b/common/rc
@@ -113,7 +113,7 @@ _get_hugepagesize()
 {
 	local hugepgsz=$(awk '/Hugepagesize/ {print $2}' /proc/meminfo)
 	# Call _notrun if $hugepgsz is not a number
-	echo "$hugepgsz" | egrep -q ^[0-9]+$ || \
+	echo "$hugepgsz" | grep -E -q ^[0-9]+$ || \
 		_notrun "Cannot get the value of Hugepagesize"
 	echo $((hugepgsz * 1024))
 }
@@ -1080,7 +1080,7 @@ _scratch_mkfs_sized()
 	case $FSTYP in
 	xfs)
 		# don't override MKFS_OPTIONS that set a block size.
-		echo $MKFS_OPTIONS |egrep -q "b?size="
+		echo $MKFS_OPTIONS |grep -E -q "b?size="
 		if [ $? -eq 0 ]; then
 			_scratch_mkfs_xfs -d size=$fssize $rt_ops
 		else
@@ -1165,13 +1165,13 @@ _scratch_mkfs_geom()
 
     case $FSTYP in
     xfs)
-	if echo "$MKFS_OPTIONS" | egrep -q "b?size="; then
+	if echo "$MKFS_OPTIONS" | grep -E -q "b?size="; then
 		MKFS_OPTIONS=$(echo "$MKFS_OPTIONS" | sed -r "s/(b?size=)[0-9]+k?/\1$blocksize/")
 	else
 		MKFS_OPTIONS+=" -b size=$blocksize"
 	fi
 
-	if echo "$MKFS_OPTIONS" | egrep -q "(su|sunit|sw|swidth)="; then
+	if echo "$MKFS_OPTIONS" | grep -E -q "(su|sunit|sw|swidth)="; then
 		MKFS_OPTIONS=$(echo "$MKFS_OPTIONS" | sed -r \
 			-e "s/(su|sunit)=[0-9kmg]+/su=$sunit_bytes/" \
 			-e "s/(sw|swidth)=[0-9kmg]+/sw=$swidth_mult/")
@@ -1673,7 +1673,7 @@ _require_scratch_nocheck()
 {
     case "$FSTYP" in
 	glusterfs)
-		echo $SCRATCH_DEV | egrep -q ":/?" > /dev/null 2>&1
+		echo $SCRATCH_DEV | grep -E -q ":/?" > /dev/null 2>&1
 		if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
 			_notrun "this test requires a valid \$SCRATCH_DEV"
 		fi
@@ -1873,7 +1873,7 @@ _require_test()
 {
     case "$FSTYP" in
 	glusterfs)
-		echo $TEST_DEV | egrep -q ":/?" > /dev/null 2>&1
+		echo $TEST_DEV | grep -E -q ":/?" > /dev/null 2>&1
 		if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
 			_notrun "this test requires a valid \$TEST_DEV"
 		fi
@@ -2140,7 +2140,7 @@ __scratch_uses_fsdax()
 {
 	local ops=$(_normalize_mount_options "$MOUNT_OPTIONS")
 
-	echo $ops | egrep -qw "dax(=always| |$)" && return 0
+	echo $ops | grep -E -qw "dax(=always| |$)" && return 0
 	return 1
 }
 
@@ -2601,7 +2601,7 @@ _require_xfs_io_command()
 		# Test xfs_io chattr support AND
 		# filesystem FS_IOC_FSSETXATTR support
 		# 'tPnE' flags are only valid for a directory so check them on a directory.
-		if echo "$param" | egrep -q 't|P|n|E'; then
+		if echo "$param" | grep -E -q 't|P|n|E'; then
 			testio=`$XFS_IO_PROG -F -c "chattr +$param" $testdir 2>&1`
 			attr_info=`$XFS_IO_PROG -F -r -c "lsattr" $testdir | awk '{print $1}'`
 			$XFS_IO_PROG -F -r -c "chattr -$param" $testdir 2>&1
@@ -2659,7 +2659,7 @@ _require_xfs_io_command()
 	"-T")
 		# Check O_TMPFILE support in xfs_io, kernel and fs
 		testio=`$XFS_IO_PROG -T -c quit $TEST_DIR 2>&1`
-		echo $testio | egrep -q "invalid option|Is a directory" && \
+		echo $testio | grep -E -q "invalid option|Is a directory" && \
 			_notrun "xfs_io $command support is missing"
 		echo $testio | grep -q "Operation not supported" && \
 			_notrun "O_TMPFILE is not supported"
@@ -3217,7 +3217,7 @@ _check_generic_filesystem()
 # Filter the knowen errors the UDF Verifier reports.
 _udf_test_known_error_filter()
 {
-	egrep -v "PVD  60  Error: Interchange Level: 1, Maximum Interchange Level: 0|FSD  28  Error: Interchange Level: 1, Maximum Interchange Level: 1,|PVD  72  Warning: Volume Set Identifier: \"\*IRIX UDF\",|Warning: [0-9]+ unused blocks NOT marked as unallocated."
+	grep -E -v "PVD  60  Error: Interchange Level: 1, Maximum Interchange Level: 0|FSD  28  Error: Interchange Level: 1, Maximum Interchange Level: 1,|PVD  72  Warning: Volume Set Identifier: \"\*IRIX UDF\",|Warning: [0-9]+ unused blocks NOT marked as unallocated."
 
 }
 
@@ -3249,9 +3249,9 @@ _check_udf_filesystem()
 
     rm -f $seqres.checkfs
     sleep 1 # Due to a problem with time stamps in udf_test
-    $here/src/udf_test $opt_arg $device | tee $seqres.checkfs | egrep "Error|Warning" | \
+    $here/src/udf_test $opt_arg $device | tee $seqres.checkfs | grep -E "Error|Warning" | \
 	_udf_test_known_error_filter | \
-	egrep -iv "Error count:.*[0-9]+.*total occurrences:.*[0-9]+|Warning count:.*[0-9]+.*total occurrences:.*[0-9]+" && \
+	grep -E -iv "Error count:.*[0-9]+.*total occurrences:.*[0-9]+|Warning count:.*[0-9]+.*total occurrences:.*[0-9]+" && \
         echo "Warning UDF Verifier reported errors see $seqres.checkfs." && return 1
     return 0
 }
@@ -3782,7 +3782,7 @@ _check_scratch_dax_mountopt()
 
 	_try_scratch_mount "-o $option" > /dev/null 2>&1 || return 1
 
-	if _fs_options $SCRATCH_DEV | egrep -q "dax(=always|,|$)"; then
+	if _fs_options $SCRATCH_DEV | grep -E -q "dax(=always|,|$)"; then
 		_scratch_unmount
 		return 0
 	else
@@ -4048,9 +4048,9 @@ _exclude_mount_option()
 	shift
 	while [ $# -gt 0 ]; do
 		local pattern=$1
-		echo "$pattern" | egrep -q "dax(=always|$)" && \
+		echo "$pattern" | grep -E -q "dax(=always|$)" && \
 			pattern="dax(=always| |$)"
-		if echo $mnt_opts | egrep -q "$pattern"; then
+		if echo $mnt_opts | grep -E -q "$pattern"; then
 			_notrun "mount option \"$1\" not allowed in this test"
 		fi
 		shift
@@ -4329,7 +4329,7 @@ _dmesg_since_test_start()
 # _dmesg_since_test_start.
 _check_dmesg_for()
 {
-	_dmesg_since_test_start | egrep -q "$1"
+	_dmesg_since_test_start | grep -E -q "$1"
 }
 
 # Default filter for dmesg scanning.
@@ -4338,7 +4338,7 @@ _check_dmesg_for()
 # lockdep.
 _check_dmesg_filter()
 {
-	egrep -v -e "BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low" \
+	grep -E -v -e "BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low" \
 		-e "BUG: MAX_STACK_TRACE_ENTRIES too low"
 }
 
@@ -4356,7 +4356,7 @@ _check_dmesg()
 	local filter=${1:-_check_dmesg_filter}
 
 	_dmesg_since_test_start | $filter >$seqres.dmesg
-	egrep -q -e "kernel BUG at" \
+	grep -E -q -e "kernel BUG at" \
 	     -e "WARNING:" \
 	     -e "\bBUG:" \
 	     -e "Oops:" \
diff --git a/common/repair b/common/repair
index 463ef9db..8945d002 100644
--- a/common/repair
+++ b/common/repair
@@ -105,7 +105,7 @@ _filter_repair_lostblocks() {
 
 _filter_dd()
 {
-	fgrep -v records	# lose records in/out lines
+	grep -F -v records	# lose records in/out lines
 }
 
 # do some controlled corrupting & ensure repair recovers us
diff --git a/common/xfs b/common/xfs
index 9f84dffb..4c6374ed 100644
--- a/common/xfs
+++ b/common/xfs
@@ -103,7 +103,7 @@ _scratch_find_xfs_min_logblocks()
 	# try again without MKFS_OPTIONS because that's what _scratch_do_mkfs
 	# will do if we pass in the log size option.
 	if [ $mkfs_status -ne 0 ] &&
-	   ! egrep -q '(log size.*too small, minimum|external log device.*too small, must be)' $tmp.mkfserr; then
+	   ! grep -E -q '(log size.*too small, minimum|external log device.*too small, must be)' $tmp.mkfserr; then
 		eval "$mkfs_cmd $extra_mkfs_options $SCRATCH_DEV" \
 			2>$tmp.mkfserr 1>$tmp.mkfsstd
 		mkfs_status=$?
@@ -181,7 +181,7 @@ _xfs_get_file_block_size()
 {
 	local path="$1"
 
-	if ! ($XFS_IO_PROG -c "stat -v" "$path" 2>&1 | egrep -q '(rt-inherit|realtime)'); then
+	if ! ($XFS_IO_PROG -c "stat -v" "$path" 2>&1 | grep -E -q '(rt-inherit|realtime)'); then
 		_get_block_size "$path"
 		return
 	fi
@@ -966,8 +966,8 @@ _scratch_xfs_set_metadata_field()
 	done
 
 	local wr_cmd="write"
-	_scratch_xfs_db -x -c "help write" | egrep -q "(-c|-d)" && value="-- ${value}"
-	_scratch_xfs_db -x -c "help write" | egrep -q "(-d)" && wr_cmd="${wr_cmd} -d"
+	_scratch_xfs_db -x -c "help write" | grep -E -q "(-c|-d)" && value="-- ${value}"
+	_scratch_xfs_db -x -c "help write" | grep -E -q "(-d)" && wr_cmd="${wr_cmd} -d"
 	_scratch_xfs_db -x "${cmds[@]}" -c "${wr_cmd} ${key} ${value}"
 }
 
@@ -1107,8 +1107,8 @@ _force_xfsv4_mount_options()
 	local pquota=0
 
 	# Can't have group and project quotas in XFS v4
-	echo "$MOUNT_OPTIONS" | egrep -q "(gquota|grpquota|grpjquota=|gqnoenforce)" && gquota=1
-	echo "$MOUNT_OPTIONS" | egrep -q "(\bpquota|prjquota|pqnoenforce)" && pquota=1
+	echo "$MOUNT_OPTIONS" | grep -E -q "(gquota|grpquota|grpjquota=|gqnoenforce)" && gquota=1
+	echo "$MOUNT_OPTIONS" | grep -E -q "(\bpquota|prjquota|pqnoenforce)" && pquota=1
 
 	if [ $gquota -gt 0 ] && [ $pquota -gt 0 ]; then
 		export MOUNT_OPTIONS=$(echo $MOUNT_OPTIONS \
diff --git a/tests/btrfs/011 b/tests/btrfs/011
index 0665e126..6c3d037f 100755
--- a/tests/btrfs/011
+++ b/tests/btrfs/011
@@ -133,7 +133,7 @@ workout()
 	_run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
 
 	# Skip -r test for configs without mirror OR replace cancel
-	if echo $mkfs_options | egrep -qv "raid1|raid5|raid6|raid10" || \
+	if echo $mkfs_options | grep -E -qv "raid1|raid5|raid6|raid10" || \
 	   [ "${with_cancel}Q" = "cancelQ" ]; then
 		_scratch_unmount > /dev/null 2>&1
 		_scratch_dev_pool_put
diff --git a/tests/btrfs/100 b/tests/btrfs/100
index 9986a06e..410e83ba 100755
--- a/tests/btrfs/100
+++ b/tests/btrfs/100
@@ -37,7 +37,7 @@ _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
 $BTRFS_UTIL_PROG filesystem show -m $SCRATCH_MNT | _filter_btrfs_filesystem_show
 
 error_devid=`$BTRFS_UTIL_PROG filesystem show -m $SCRATCH_MNT |\
-			egrep $DMERROR_DEV | $AWK_PROG '{print $2}'`
+			grep -E $DMERROR_DEV | $AWK_PROG '{print $2}'`
 
 snapshot_cmd="$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT"
 snapshot_cmd="$snapshot_cmd $SCRATCH_MNT/snap_\`date +'%H_%M_%S_%N'\`"
diff --git a/tests/btrfs/101 b/tests/btrfs/101
index f0436f9f..e8ed8c5c 100755
--- a/tests/btrfs/101
+++ b/tests/btrfs/101
@@ -38,7 +38,7 @@ _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
 $BTRFS_UTIL_PROG filesystem show -m $SCRATCH_MNT | _filter_btrfs_filesystem_show
 
 error_devid=`$BTRFS_UTIL_PROG filesystem show -m $SCRATCH_MNT |\
-			egrep $DMERROR_DEV | $AWK_PROG '{print $2}'`
+			grep -E $DMERROR_DEV | $AWK_PROG '{print $2}'`
 
 snapshot_cmd="$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT"
 snapshot_cmd="$snapshot_cmd $SCRATCH_MNT/snap_\`date +'%H_%M_%S_%N'\`"
diff --git a/tests/btrfs/187 b/tests/btrfs/187
index 574636a6..d3cf05a1 100755
--- a/tests/btrfs/187
+++ b/tests/btrfs/187
@@ -219,7 +219,7 @@ wait $balance_pid
 # BTRFS error (device sdc): parent transid verify failed on 32243712 wanted 24 \
 #     found 27
 #
-_dmesg_since_test_start | egrep -e '\bBTRFS error \(device .*?\):'
+_dmesg_since_test_start | grep -E -e '\bBTRFS error \(device .*?\):'
 
 status=0
 exit
diff --git a/tests/btrfs/252 b/tests/btrfs/252
index 65ebe571..8b4809b7 100755
--- a/tests/btrfs/252
+++ b/tests/btrfs/252
@@ -180,7 +180,7 @@ for i in "${!snapshots[@]}"; do
 	# case, so we don't have a mismatch with the golden output in case we
 	# run with a non default $LOAD_FACTOR (default is 1). We only want the
 	# mismatch with the golden output in case there's a checksum failure.
-	$FSSUM_PROG -r "$snap_csum" "$snap_copy" | egrep -v '^OK$'
+	$FSSUM_PROG -r "$snap_csum" "$snap_copy" | grep -E -v '^OK$'
 done
 
 echo "Silence is golden"
diff --git a/tests/ext4/006 b/tests/ext4/006
index 48ed6bee..8792167b 100755
--- a/tests/ext4/006
+++ b/tests/ext4/006
@@ -130,7 +130,7 @@ cat "$ROUND2_LOG" >> $seqres.full
 echo "++ check fs (2)" >> $seqres.full
 _check_scratch_fs >> $seqres.full 2>&1
 
-egrep -q '(did not fix|makes no progress)' $seqres.full && echo "e2fsck failed" | tee -a $seqres.full
+grep -E -q '(did not fix|makes no progress)' $seqres.full && echo "e2fsck failed" | tee -a $seqres.full
 if [ "$(wc -l < "$ROUND2_LOG")" -ne 8 ]; then
 	echo "e2fsck did not fix everything" | tee -a $seqres.full
 fi
diff --git a/tests/generic/164 b/tests/generic/164
index 56c05e37..8ab71c72 100755
--- a/tests/generic/164
+++ b/tests/generic/164
@@ -50,7 +50,7 @@ _cp_reflink $testdir/file1 $testdir/file3
 _scratch_cycle_mount
 
 fbytes() {
-	egrep -v '(61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61|62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62)'
+	grep -E -v '(61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61|62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62)'
 }
 
 reader() {
diff --git a/tests/generic/165 b/tests/generic/165
index bc24bcab..6deb6623 100755
--- a/tests/generic/165
+++ b/tests/generic/165
@@ -51,7 +51,7 @@ _cp_reflink $testdir/file1 $testdir/file3
 _scratch_cycle_mount
 
 fbytes() {
-	egrep -v '(61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61|62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62)'
+	grep -E -v '(61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61|62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62)'
 }
 
 reader() {
diff --git a/tests/generic/454 b/tests/generic/454
index 133e2e9d..3c9b39d0 100755
--- a/tests/generic/454
+++ b/tests/generic/454
@@ -168,7 +168,7 @@ testf "combmark_\xe1\x80\x9c\xe1\x80\xad\xe1\x80\xaf.txt" "combining marks"
 testf "combmark_\xe1\x80\x9c\xe1\x80\xaf\xe1\x80\xad.txt" "combining marks"
 
 echo "Uniqueness of keys?"
-crazy_keys="$(_getfattr --absolute-names -d "${testfile}" | egrep -c '(french_|chinese_|greek_|arabic_|urk)')"
+crazy_keys="$(_getfattr --absolute-names -d "${testfile}" | grep -E -c '(french_|chinese_|greek_|arabic_|urk)')"
 expected_keys=11
 test "${crazy_keys}" -ne "${expected_keys}" && echo "Expected ${expected_keys} keys, saw ${crazy_keys}."
 
diff --git a/tests/generic/670 b/tests/generic/670
index 4a895d90..67de1674 100755
--- a/tests/generic/670
+++ b/tests/generic/670
@@ -43,7 +43,7 @@ fbytes() {
 	# Different with generic/164,165, mread copies data from mmapped area
 	# one-byte-at-a-time, which may cause races during reflink_range().
 	# So the result of _mread_range() may be a mix of 61 and 62.
-	egrep -v '((61|62) ){15}(61|62)'
+	grep -E -v '((61|62) ){15}(61|62)'
 }
 
 reader() {
diff --git a/tests/xfs/008 b/tests/xfs/008
index a53f6c92..e7d6153b 100755
--- a/tests/xfs/008
+++ b/tests/xfs/008
@@ -46,7 +46,7 @@ _do_test()
 		echo "holes is in range"
 	else
 		# quick check - how many holes did we get?
-	        count=`xfs_bmap $out | egrep -c ': hole'`
+	        count=`xfs_bmap $out | grep -E -c ': hole'`
 		# blocks can end up adjacent, therefore number of holes varies
 		_within_tolerance "holes" $count $_holes 10% -v
 	fi
diff --git a/tests/xfs/012 b/tests/xfs/012
index 5ebc9058..e0dccc4e 100755
--- a/tests/xfs/012
+++ b/tests/xfs/012
@@ -50,7 +50,7 @@ _do_test()
     if [ $failed -eq 0 ]
     then        
         # quick check - how many holes did we get?
-        count=`xfs_bmap $out | egrep -c ': hole'`
+        count=`xfs_bmap $out | grep -E -c ': hole'`
         echo "    $count hole(s) detected"
         # and how big was the file?
         _filesize $out
diff --git a/tests/xfs/033 b/tests/xfs/033
index d47da0d6..ef5dc4fa 100755
--- a/tests/xfs/033
+++ b/tests/xfs/033
@@ -45,7 +45,7 @@ _check_root_inos()
 #
 _filter_bad_ids()
 {
-	egrep -v 'bad user id 0xffffffff|bad group id 0xffffffff'
+	grep -E -v 'bad user id 0xffffffff|bad group id 0xffffffff'
 }
 
 # real QA test starts here
diff --git a/tests/xfs/064 b/tests/xfs/064
index a81b226b..f67c29fd 100755
--- a/tests/xfs/064
+++ b/tests/xfs/064
@@ -31,7 +31,7 @@ _ls_size_filter()
     # Filter out the housekeeping files of xfsrestore
     #
     $AWK_PROG 'NF == 9 { print $5, $9 }' |\
-    egrep -v 'dumpdir|housekeeping|dirattr|dirextattr|namreg|state|tree' 
+    grep -E -v 'dumpdir|housekeeping|dirattr|dirextattr|namreg|state|tree'
 }
 
 # real QA test starts here
@@ -48,7 +48,7 @@ while [ $i -le 9 ]; do
     if [ $i -gt 0 ]; then
 	sleep 2
 	_modify_level $i
-    fi 
+    fi
 
     _stable_fs
     sleep 2
diff --git a/tests/xfs/065 b/tests/xfs/065
index 8485dee6..819d385e 100755
--- a/tests/xfs/065
+++ b/tests/xfs/065
@@ -37,7 +37,7 @@ _list_dir()
     find $__dir  -exec $here/src/lstat64 -t {} \; |\
     sed -e 's/.*dumpdir/dumpdir/' -e '/^dumpdir /d' |\
     sed -e 's/.*restoredir/restoredir/' -e '/^restoredir /d' |\
-    egrep -v 'housekeeping|dirattr|dirextattr|namreg|state|tree' |\
+    grep -E -v 'housekeeping|dirattr|dirextattr|namreg|state|tree' |\
     awk '$3 ~ /^d/ { $2 = "XXX" } {print}' |\
     LC_COLLATE=POSIX sort
 } 
diff --git a/tests/xfs/083 b/tests/xfs/083
index a9acc9f5..edab3b7b 100755
--- a/tests/xfs/083
+++ b/tests/xfs/083
@@ -145,7 +145,7 @@ cat "$ROUND2_LOG" >> $seqres.full
 echo "++ check fs (2)" >> $seqres.full
 _repair_scratch_fs >> $seqres.full 2>&1
 
-egrep -q '(did not fix|makes no progress)' $seqres.full && echo "xfs_repair failed" | tee -a $seqres.full
+grep -E -q '(did not fix|makes no progress)' $seqres.full && echo "xfs_repair failed" | tee -a $seqres.full
 if [ "$(wc -l < "$ROUND2_LOG")" -ne 8 ]; then
 	echo "xfs_repair did not fix everything" | tee -a $seqres.full
 fi
diff --git a/tests/xfs/122 b/tests/xfs/122
index 18748e67..91083d60 100755
--- a/tests/xfs/122
+++ b/tests/xfs/122
@@ -182,8 +182,8 @@ echo 'int main(int argc, char *argv[]) {' >>$cprog
 #
 cat /usr/include/xfs/xfs*.h | indent |\
 _attribute_filter |\
-egrep '(} *xfs_.*_t|^struct xfs_[a-z0-9_]*$)' |\
-egrep -v -f $tmp.ignore |\
+grep -E '(} *xfs_.*_t|^struct xfs_[a-z0-9_]*$)' |\
+grep -E -v -f $tmp.ignore |\
 sed -e 's/^.*}[[:space:]]*//g' -e 's/;.*$//g' -e 's/_t, /_t\n/g' |\
 sort | uniq |\
 awk '{printf("printf(\"sizeof(%s) = %%zu\\n\", sizeof(%s));\n", $0, $0);}' |\
diff --git a/tests/xfs/138 b/tests/xfs/138
index 966ac03a..c49d2d9e 100755
--- a/tests/xfs/138
+++ b/tests/xfs/138
@@ -33,7 +33,7 @@ echo "Test with interactive"
 (echo "sb 0"; sleep 0.5;
  echo "p magicnum"; sleep 0.5;
  echo "source $tmp.a"; sleep 0.5;
- echo "p magicnum"; sleep 0.5) | _scratch_xfs_db 2>&1 | sed -e 's/xfs_db> //g' -e 's/0x58465342/XFS_MAGIC/g' | egrep '(This is file|magicnum =)'
+ echo "p magicnum"; sleep 0.5) | _scratch_xfs_db 2>&1 | sed -e 's/xfs_db> //g' -e 's/0x58465342/XFS_MAGIC/g' | grep -E '(This is file|magicnum =)'
 
 # success, all done
 status=0
diff --git a/tests/xfs/185 b/tests/xfs/185
index f0e87642..73b21092 100755
--- a/tests/xfs/185
+++ b/tests/xfs/185
@@ -108,7 +108,7 @@ expected_end="$(( (alloc_rtx * rtextsize - 1) / 512 ))"
 # file_offset file_end physical_offset physical_end
 rtfile_exts() {
 	$XFS_IO_PROG -c 'bmap -elp' $rtfile | \
-		egrep -v '(^/|EXT:|hole)' | \
+		grep -E -v '(^/|EXT:|hole)' | \
 		tr ':.[]' '    ' | \
 		while read junk foff fend physoff physend junk; do
 			echo "$foff $fend $physoff $physend"
diff --git a/tests/xfs/186 b/tests/xfs/186
index b54fcf26..f44158e3 100755
--- a/tests/xfs/186
+++ b/tests/xfs/186
@@ -55,8 +55,8 @@ _filter_inode()
 {
 	tee -a $seqres.full | \
 		sed -e "s/core.forkoff/forkoff/g" | \
-		egrep '^u.sfdir2|^u.sfdir3|^a.sfattr|forkoff' | \
-		egrep -v 'inumber|parent' | \
+		grep -E '^u.sfdir2|^u.sfdir3|^a.sfattr|forkoff' | \
+		grep -E -v 'inumber|parent' | \
 		sed -e s/sfdir3/sfdir2/g | \
 		grep -v filetype
 }
diff --git a/tests/xfs/293 b/tests/xfs/293
index 20f8c486..7a17eb81 100755
--- a/tests/xfs/293
+++ b/tests/xfs/293
@@ -33,7 +33,7 @@ esac
 _require_command "$(type -P $CAT)" $CAT
 
 for COMMAND in `$XFS_IO_PROG -c help | awk '{print $1}' | grep -v "^Use"`; do
-  $CAT "$MANPAGE" | egrep -q "^\.B.*$COMMAND" || \
+  $CAT "$MANPAGE" | grep -E -q "^\.B.*$COMMAND" || \
 	echo "$COMMAND not documented in the xfs_io manpage"
 done
 
diff --git a/tests/xfs/330 b/tests/xfs/330
index 40be4c46..5a82a1fd 100755
--- a/tests/xfs/330
+++ b/tests/xfs/330
@@ -26,7 +26,7 @@ _require_nobody
 
 do_repquota()
 {
-	repquota $SCRATCH_MNT | egrep '^(fsgqa|root|nobody)' | sort -r
+	repquota $SCRATCH_MNT | grep -E '^(fsgqa|root|nobody)' | sort -r
 }
 
 rm -f "$seqres.full"
diff --git a/tests/xfs/422 b/tests/xfs/422
index fdbb8bf1..f3c63e8d 100755
--- a/tests/xfs/422
+++ b/tests/xfs/422
@@ -73,7 +73,7 @@ cpus=$(( $($here/src/feature -o) * 4 * LOAD_FACTOR))
 
 echo "Concurrent repair"
 filter_output() {
-	egrep -v '(Device or resource busy|Invalid argument)'
+	grep -E -v '(Device or resource busy|Invalid argument)'
 }
 freeze_loop() {
 	end="$1"
diff --git a/tests/xfs/499 b/tests/xfs/499
index b5597708..9672f95d 100755
--- a/tests/xfs/499
+++ b/tests/xfs/499
@@ -44,7 +44,7 @@ struct ftrace_chk {
 	char			*str;
 } syms[] = {
 ENDL
-egrep '(__print_flags|__print_symbolic)' $ftrace_dir*/*/format | \
+grep -E '(__print_flags|__print_symbolic)' $ftrace_dir*/*/format | \
 	sed -f $sedprog | grep '^{' | sort | uniq >> $cprog
 cat >> $cprog << ENDL
 };
diff --git a/tests/xfs/505 b/tests/xfs/505
index 71fb6e9d..0601b1a8 100755
--- a/tests/xfs/505
+++ b/tests/xfs/505
@@ -29,7 +29,7 @@ esac
 _require_command "$(type -P $CAT)" $CAT
 
 for COMMAND in `$XFS_SPACEMAN_PROG -c help $TEST_DIR | awk '{print $1}' | grep -v "^Use"`; do
-  $CAT "$MANPAGE" | egrep -q "^\.B.*$COMMAND" || \
+  $CAT "$MANPAGE" | grep -E -q "^\.B.*$COMMAND" || \
 	echo "$COMMAND not documented in the xfs_spaceman manpage"
 done
 
diff --git a/tests/xfs/514 b/tests/xfs/514
index cf5588f2..94f98398 100755
--- a/tests/xfs/514
+++ b/tests/xfs/514
@@ -41,7 +41,7 @@ truncate -s 128m $file
 $MKFS_XFS_PROG $file >> /dev/null
 
 for COMMAND in `$XFS_DB_PROG -x -c help $file | awk '{print $1}' | grep -v "^Use"`; do
-  $CAT "$MANPAGE" | egrep -q "^\.B.*$COMMAND" || \
+  $CAT "$MANPAGE" | grep -E -q "^\.B.*$COMMAND" || \
 	echo "$COMMAND not documented in the xfs_db manpage"
 done
 
diff --git a/tests/xfs/515 b/tests/xfs/515
index 2d7bbb35..adb2bd6f 100755
--- a/tests/xfs/515
+++ b/tests/xfs/515
@@ -37,7 +37,7 @@ esac
 _require_command "$(type -P $CAT)" $CAT
 
 for COMMAND in `$XFS_QUOTA_PROG -x -c help $file | awk '{print $1}' | grep -v "^Use"`; do
-  $CAT "$MANPAGE" | egrep -q "^\.B.*$COMMAND" || \
+  $CAT "$MANPAGE" | grep -E -q "^\.B.*$COMMAND" || \
 	echo "$COMMAND not documented in the xfs_quota manpage"
 done
 
diff --git a/tests/xfs/517 b/tests/xfs/517
index 6877af13..99fc89b0 100755
--- a/tests/xfs/517
+++ b/tests/xfs/517
@@ -70,7 +70,7 @@ cpus=$(( $(src/feature -o) * 4 * LOAD_FACTOR))
 
 echo "Concurrent fsmap and freeze"
 filter_output() {
-	egrep -v '(Device or resource busy|Invalid argument)'
+	grep -E -v '(Device or resource busy|Invalid argument)'
 }
 freeze_loop() {
 	end="$1"
diff --git a/tests/xfs/520 b/tests/xfs/520
index 2fceb07c..dd6d845e 100755
--- a/tests/xfs/520
+++ b/tests/xfs/520
@@ -52,7 +52,7 @@ force_crafted_metadata() {
 	fi
 
 	_dmesg_since_test_start | tac | sed -ne "0,\#${kmsg}#p" | tac | \
-		egrep -q 'Metadata corruption detected at' && hasmsg=1
+		grep -E -q 'Metadata corruption detected at' && hasmsg=1
 
 	_scratch_unmount > /dev/null 2>&1
 	[ $mounted -eq 0 -o $hasmsg -eq 1 ] || \
diff --git a/tests/xfs/530 b/tests/xfs/530
index 9c6f44d7..c960738d 100755
--- a/tests/xfs/530
+++ b/tests/xfs/530
@@ -73,7 +73,7 @@ _try_scratch_mount || _notrun "Couldn't mount fs with synthetic rt volume"
 formatted_blksz="$(_get_block_size $SCRATCH_MNT)"
 test "$formatted_blksz" -ne "$dbsize" && \
 	_notrun "Tried to format with $dbsize blocksize, got $formatted_blksz."
-$XFS_INFO_PROG $SCRATCH_MNT | egrep -q 'realtime.*blocks=0' && \
+$XFS_INFO_PROG $SCRATCH_MNT | grep -E -q 'realtime.*blocks=0' && \
 	_notrun "Filesystem should have a realtime volume"
 
 echo "Consume free space"
diff --git a/tests/xfs/539 b/tests/xfs/539
index 77b44c89..778dce85 100755
--- a/tests/xfs/539
+++ b/tests/xfs/539
@@ -36,7 +36,7 @@ dmesg_since_test_tag()
 
 check_dmesg_for_since_tag()
 {
-	dmesg_since_test_tag | egrep -q "$1"
+	dmesg_since_test_tag | grep -E -q "$1"
 }
 
 echo "Silence is golden."
