Padrão

Teste e valide expressões regulares com texto de amostra

String de Teste

messages.function

Replacement

Pattern Modifiers

Caseless (i)

Multiline mode (m)

Dot all (s)

Extended (x)

Anchored (A)

Dollar end only (D)

Extra analysis of pattern (S)

Pattern is ungreedy (U)

Extra (X)

Pattern is treated as UTF-8 (u)

Options

Pattern order (PREG_PATTERN_ORDER)

Set order (PREG_SET_ORDER)

Offset capture (PREG_OFFSET_CAPTURE)

Split no empty (PREG_SPLIT_NO_EMPTY)

Split delim capture (PREG_SPLIT_DELIM_CAPTURE)

Split offset capture (PREG_SPLIT_OFFSET_CAPTURE)

Teste Regex