Regular Expressions 101

Group 1(\-?\d+\.?\d?)

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

\d+a digit, repeated at least once

\.?optionally matches the literal . (46₁₀ / 56₈ / 2E₁₆)

\d?optionally matches a digit

Character Class[C]

Cthe literal C (67₁₀ / 103₈ / 43₁₆) (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

(\-?\d+\.?\d?)[C]

New

24 Jul 2013: Water - 74.0F / 23.3C; Air - 68.0F / 20.0C. John L. helped out a wounded cyclist; Anthony C. swam 1km