The 1974 Rite of Penance has for act of contrition

RAYER OF THE PENITENT
Before the Absolution is given, the penitent expresses
sorrow for sins in these or similar words:
My God, I am sorry for my sins with all my heart. In
choosing to do wrong and failing to do good, I have
sinned against you whom I should love above all
things. 1 firmly intend, with your help, to do penance,
to sin no more, and to avoid whatever leads
me to sin. Our Savior Jesus Christ suffered and died
for us. In his name, my God, have mercy.
Or:
Remember, Lord, your compassion and mercy which
you showed long ago. Do not recall the sins and
failings of my youth. In your mercy remember me,
Lord, because of your goodness.
Or:
Wash me from my guilt and cleanse me of my sin. I
acknowledge my offense; my sin is before me always.
Or:
Father, I have sinned against you and am not worthy
to be called your son. Be merciful to me, a sinner.
Or:
Father of mercy, like the prodigal son I return to
you and say: “I have sinned against you and am no
longer worthy to be called your son.” Christ Jesus,
Savior of the world, I pray with the repentant thief
to whom you promised Paradise: “Lord, remember
me in your Kingdom.” Holy Spirit, fountain of love, I
call on you with trust: “Purify my heart, and help
me to walk as a child of light.”
Or:
Lord Jesus, you opened the eyes of the blind, healed
the sick, forgave the sinful woman, and after Peter’s
denial confirmed him in your love. Listen to my
prayer, forgive all my sins, renew your love in my
heart, help me to live in perfect unity with my fellow
Christians that 1 may proclaim your saving power
to all the world.
Or:
Lord Jesus, you chose to be called the friend of sinners.
By your saving death and resurrection free me
from my sins. May your peace take root in my heart
and bring forth a harvest of love, holiness, and
truth.
Or:
Lord Jesus Christ, you are the Lamb of God; you
take away the sins of the world. Through the grace
of the Holy Spirit restore me to friendship with your
Father, cleanse me from every stain of sin in the
blood you shed for me, and raise me to new life for
the glory of your name.
Or:
Lord God, in your goodness have mercy on me: do
not look on my sins, but take away all my guilt.
Crate in me a clean heart and renew within me an
upright spirit.
Or:
The Jesus Prayer
Lord Jesus, Son of God, have mercy on me,
a sinner.