[(#VAL{a}|match{^(a|b|c)$}|oui) a ] [(#VAL{ba}|match{^(a|b|c)$}|oui) ba ] [(#VAL{amour}|match{^(a|b|c)$}|oui) amour ] [(#VAL{rien}|match{^(a|b|c)$}|oui) rien ] [(#VAL{c}|match{^(a|b|c)$}|oui) c ]