Compiling REx " ^ ( \( (?> [^()]++ | (?1) )* \) ) $ "

• Compiling REx " ^ ( \( (?> [^()]++ | (?1) )* \) ) $ "

• 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: GOSUB1[-26] (31)

• 31: SUCCEED (0)

• 32: TAIL (33)

• 33: WHILEM[2/1] (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