PCRE error: compilation of a** failed at offset 2: nothing to repeat
3
key: value one two three 
0
25
key
0
3
value one two three
5
19
PCRE error: no match
PCRE error: no match
2
aaa
aaa
--
hello
PCRE error: no match
qqqcqqq: no match
ab,c: 0: ab,c
ab,c: 0: 0, 4
ab,c: 1: ab,c
ab,c: 1: 0, 4
ab,c: 2: ab
ab,c: 2: 0, 2
ab,c: 3: b
ab,c: 3: 1, 1
ab,c: 4: c
ab,c: 4: 3, 1
ab: 0: ab
ab: 0: 0, 2
ab: 1: ab
ab: 1: 0, 2
ab: 2: ab
ab: 2: 0, 2
ab: 3: b
ab: 3: 1, 1
a: 0: a
a: 0: 0, 1
a: 1: a
a: 1: 0, 1
a: 2: a
a: 2: 0, 1
a,c: 0: a,c
a,c: 0: 0, 3
a,c: 1: a,c
a,c: 1: 0, 3
a,c: 2: a
a,c: 2: 0, 1
a,c: 3: no backref (getMatch)
a,c: 3: no backref (getOffsetLength)
a,c: 4: c
a,c: 4: 2, 1
c: 0: c
c: 0: 0, 1
c: 1: c
c: 1: 0, 1
c: 2: no backref (getMatch)
c: 2: no backref (getOffsetLength)
c: 3: no backref (getMatch)
c: 3: no backref (getOffsetLength)
c: 4: no backref (getMatch)
c: 4: no backref (getOffsetLength)
c: 5: c
c: 5: 0, 1
: 0: 
: 0: 0, 0