Regular Expressions 101

1st Alternative^[A-Za-z]-.*$

^start of string

Character Class[A-Za-z]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

.*any character (except for line terminators), repeated any number of times

$end of string, or before its final line terminator

2nd Alternative^[A-Za-z]\s.*$

^start of string

Character Class[A-Za-z]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

\sany whitespace character

.*any character (except for line terminators), repeated any number of times

$end of string, or before its final line terminator

Global pattern flags

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

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Search reference

Regular Expression

^[A-Za-z]-.*$|^[A-Za-z]\s.*$

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