Compiling REx " \( (?> (?> [^()]+ ) | (??{$pat}) )* \) "

• Compiling REx " \( (?> (?> [^()]+ ) | (??{$pat}) )* \) "

• Final program:

• 1: EXACT <(> (3)

• 3: CURLYX[0] {0,32767} (31)

• 5: SUSPEND (30)

• 7: BRANCH (24)

• 8: SUSPEND (28)

• 10: PLUS (22)

• 11: ANYOF[\0-'*-\377{unicode_all}] (0)

• 22: SUCCEED (0)

• 23: TAIL (28)

• 24: BRANCH (FAIL)

• 25: LOGICAL[2] (26)

• 26: EVAL (28)

• 28: SUCCEED (0)

• 29: TAIL (30)

• 30: WHILEM[1/1] (0)

• 31: NOTHING (32)

• 32: EXACT <)> (34)

• 34: END (0)

• anchored "(" at 0 floating ")" at 1..2147483647 (checking floating) minlen 2 with eval

• Compiling REx "^((?x-ism: \( (?> (?> [^()]+ ) | (??{$pat}) )* \) ))$"

• Final program:

• 1: BOL (2)

• 2: OPEN1 (4)

• 4: EXACT <(> (6)

• 6: CURLYX[0] {0,32767} (34)

• 8: SUSPEND (33)

• 10: BRANCH (27)

• 11: SUSPEND (31)

• 13: PLUS (25)

• 14: ANYOF[\0-'*-\377{unicode_all}] (0)

• 25: SUCCEED (0)

• 26: TAIL (31)

• 27: BRANCH (FAIL)

• 28: LOGICAL[2] (29)

• 29: EVAL (31)

• 31: SUCCEED (0)

• 32: TAIL (33)

• 33: WHILEM[1/1] (0)

• 34: NOTHING (35)

• 35: EXACT <)> (37)

• 37: CLOSE1 (39)

• 39: EOL (40)

• 40: END (0)

• anchored "(" at 0 floating ")"$ at 1..2147483647 (checking floating) anchored(BOL) minlen 2 with eval