Regular Expressions 101

Pro

Group lat(?<lat>-?\b(?<!\b-)\d+\.\d+)

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

\ban ASCII word boundary

Negative Lookbehind(?<!\b-)

\ban ASCII word boundary

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\d+a digit, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a digit, repeated at least once

Group comma(?<comma>,)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group long(?<long>-?\d+\.\d+)

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

\d+a digit, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a digit, repeated at least once

\ban ASCII word boundary

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

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26 tokens

(?<lat>-?\b(?<!\b-)\d+\.\d+)(?<comma>,)(?<long>-?\d+\.\d+)\b

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