Regular Expressions 101

Group 1(<script.*-(1|2)\.gif.*<\/script>)

<scriptthe literal text <script (case sensitive)

.*any character, repeated any number of times

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 2(1|2)

1st Alternative1

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

2nd Alternative2

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

gifthe literal text gif (case sensitive)

.*any character, repeated any number of times

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

script>the literal text script> (case sensitive)

Global pattern flags

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

s modifier: single line. Allows a dot to match line terminators

U modifier: Ungreedy. Quantifiers are lazy by default. A trailing ? makes a quantifier greedy

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25 tokens

Regular Expression

(<script.*-(1|2)\.gif.*<\/script>)

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