Grouping Metacharecter in Regex

Asked Jun 03 '19 at 20:54

Active Jun 04 '19 at 08:40

Viewed 34 times

What does This regex pattern trying to search for

(AA|BB|CC){3}

is it trying to seach for AAAAAA or BBBBBB or CCCCCC or AAAAAABBBBBCCCCCC What does 3 indicate

When searched for AABBCC with same above patter regex debugger matched the whole pattern in 16 steps then backtracks to B in 18th step .Link to Regex Debugger.Why?

There was no reference which provided what (|){any digit } what this means.I searched it in | as well this ()

edited Jun 04 '19 at 08:40

asked Jun 03 '19 at 20:54

See https://regex101.com/r/FU1IXw/1 – Wiktor Stribiżew Jun 03 '19 at 20:56
6 times 2 characters is 12 characters not 6. – Titus Jun 03 '19 at 20:56

Grouping Metacharecter in Regex

0 Answers0