Regular
Expressions
101
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Explanation
/
<iframe
[^
>
]
*?
title=
(
\\\'
|
\\
"
|
[
\'
"
]
)(
[^
>
]
*?
)
\1
/
gm
<iframe
matches the characters
<iframe
literally (case sensitive)
Match a single character not present in the list below
[^
>
]
*?
matches the previous token between
zero
and
unlimited
times, as few times as possible, expanding as needed
(lazy)
>
matches the character
>
with index
62
10
(
3E
16
or
76
8
) literally (case sensitive)
title=
matches the characters
title=
literally (case sensitive)
1st Capturing Group
(
\\\'
|
\\
"
|
[
\'
"
]
)
1st Alternative
\\\'
\\
matches the character
\
with index
92
10
(
5C
16
or
134
8
) literally (case sensitive)
\'
matches the character
'
with index
39
10
(
27
16
or
47
8
) literally (case sensitive)
2nd Alternative
\\
"
\\
matches the character
\
with index
92
10
(
5C
16
or
134
8
) literally (case sensitive)
"
matches the character
"
with index
34
10
(
22
16
or
42
8
) literally (case sensitive)
3rd Alternative
[
\'
"
]
Match a single character present in the list below
[
\'
"
]
\'
matches the character
'
with index
39
10
(
27
16
or
47
8
) literally (case sensitive)
"
matches the character
"
with index
34
10
(
22
16
or
42
8
) literally (case sensitive)
2nd Capturing Group
(
[^
>
]
*?
)
Match a single character not present in the list below
[^
>
]
*?
matches the previous token between
zero
and
unlimited
times, as few times as possible, expanding as needed
(lazy)
>
matches the character
>
with index
62
10
(
3E
16
or
76
8
) literally (case sensitive)
\1
matches the same text as most recently matched by the
1st
capturing group
Global pattern flags
g modifier:
g
lobal. All matches (don't return after first match)
m modifier:
m
ulti line. Causes
^
and
$
to match the begin/end of each line (not only begin/end of string)
Match Information
Your regular expression does not match the subject string.
Try launching the debugger to find out why.
Quick Reference
Regular Expression
v2
No Match
/
/
gm
Test String
Regular
Expressions
101
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