Reference - PAD functions - matches

<?php

  $count   = 3;
  $heading = '';
  $code    = 'NL1234';
  $state   = 'pending';

?>

<p>{$count} {echo $count eq 1 ? 'item' : 'items'}</p>
<p>Title: {$heading | ?? 'Untitled'} - subtitle: {echo $subtitle ?? 'none'}</p>
<p>Code {$code} {if $code matches '/^[A-Z][A-Z][0-9]+$/'}is{else}is not{/if} well formed</p>
<p>State {$state} {if $state in ('active', 'pending')}is open{else}is closed{/if}</p>

{echo 'x' | matches('/(/')}

{data 'rows'}[{"s":"a"},{"s":"b"},{"s":"c"}]{/data}{rows where='$s not in ("a", "b")'}{$s}{/rows}|{rows where='$s not like "a%"'}{$s}{/rows}|{if 5 not in (5, 6)}T{else}F{/if}|{rows}{if $s ne 'a' and $s not in ('b')}{$s}{/if}{/rows}|{rows}{if $s not matches '/^[ab]$/'}{$s}{/if}{/rows}|{if 5 not range (1, 4)}T{else}F{/if}|{if not 5 in (1)}T{else}F{/if}

<?php $x = "aaa"; $n = 5; $empty = ""; $zero = 0; ?>

[{if $x matches '/^a+$/'}yes{else}no{/if}][{echo 'x.y' | matches('/x\\.y/')}][{echo 'xzy' | matches('/x\\.y/')}]

<?php

  // The lenient walk: a list where a pipe function wants a value as its parameter is empty.

  $padCheckSyntax = FALSE;

?>

1[{echo 'abc' | contains(['a'])}] 2[{echo 'abc' like ['a']}] 3[{echo 'abc' | matches(['a'])}] 4[{echo 'abc' | after(['a'])}] 5[{echo 'abc' | left([1])}] 6[{echo 'abc' | truncate([2])}] 7[{echo 'abc' | escape(['js'])}] 8[{echo 'b' | between(['a'], 'z')}]