Regular Expressions 101

Character Class[1-4]{0,5}

{0,5}matches between 0 and 5 characters from the set below:

1-4one character from 1 (49₁₀) to 4 (52₁₀)

Global pattern flags

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

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

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

[1-4]{0,5}

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