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Regular Expressions: Difference between revisions
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With matching scientific notation (e.g. 1.5e-6). | With matching scientific notation (e.g. 1.5e-6). | ||
[https://rgxdb.com/r/1RSPF8MG Reference] | [https://rgxdb.com/r/1RSPF8MG Reference]<br> | ||
Capturing significand and exponent separately. | |||
<syntaxhighlight lang="ragel"> | <syntaxhighlight lang="ragel"> | ||
([-+]?\d*\.?\d+)(?:[eE]([-+]?\d+))? | ([-+]?\d*\.?\d+)(?:[eE]([-+]?\d+)) | ||
</syntaxhighlight> | |||
Capturing the entire string together. | |||
<syntaxhighlight lang="ragel"> | |||
([-+]?\d*\.?\d+[eE][-+]?\d+) | |||
</syntaxhighlight> | </syntaxhighlight> | ||