Regular Expressions 101

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

img]the literal text img] (case sensitive)

Group 1((?:https?|ftps?)://[^?&=\#\"<]*?\.(?:jpe?g|gif|png))

Non-Capturing Group(?:https?|ftps?)

1st Alternativehttps?

httpthe literal text http (case sensitive)

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

2nd Alternativeftps?

ftpthe literal text ftp (case sensitive)

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

://the literal text ://

Negated Character Class[^?&=\#\"<]*?

*?matches any number of characters outside the set below:

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

&the literal & (38₁₀ / 46₈ / 26₁₆)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

\#the literal # (35₁₀ / 43₈ / 23₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Non-Capturing Group(?:jpe?g|gif|png)

1st Alternativejpe?g

jpthe literal text jp (case sensitive)

e?optionally matches the literal e (101₁₀ / 145₈ / 65₁₆) (case sensitive)

gthe literal g (103₁₀ / 147₈ / 67₁₆) (case sensitive)

2nd Alternativegif

gifthe literal text gif (case sensitive)

3rd Alternativepng

pngthe literal text png (case sensitive)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

/img]the literal text /img] (case sensitive)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

\[img]((?:https?|ftps?)://[^?&=\#\"<]*?\.(?:jpe?g|gif|png))\[/img]

New

[img]http://www. test .com/abc.jpg[/img]