I have a string like a Taxi:[(h19){h12}], HeavyTruck :[(h19){h12}] wherein I want to keep information before the ":" that is a taxi or heavy truck . can somebody help me with this?
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2Have you tried anything by yourself? – Igl3 Jan 19 '18 at 11:06
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Show us how the end result should look like! – Srdjan M. Jan 19 '18 at 11:23
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Taxi:[(h19){h12}] in this case i just want taxi .. that is vehicle names and not the hour information. i have tested few things but nothing is working. – GIS_wonders Jan 19 '18 at 12:15
3 Answers
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I think this will do the trick in your case: (?=\s)*\w+(?=\s*:)
Explanation:
(?=\s)* - Searches for 0 or more spaces at the begging of the word without including them in the selection .
\w+ - Selects one or more word characters.
(?=\s*:) - Searches for 0 or more white spaces after the word followed by a column without including them in the selection.
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This will capture a single word if it's followed by :[ allowing spaces before and after :.
[A-Za-z]+(?=\s*:\s*\[)
You'll need to set regex global flag to capture all occurrences.
Justinas Marozas
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To match the information in your provided data before the : you could try [A-Za-z]+(?= ?:) which matches upper or lowercase characters one or more times and uses a positive lookahead to assert that what follows is an optional whitespace and a :.
If the pattern after the colon should match, your could try: [A-Za-z]+(?= ?:\[\(h\d+\){h\d+}])
Explanation
- Match one or more upper or lowercase characters
[A-Za-z]+ - A positive lookahead
(?:which asserts that what follows - An optional white space
? - Is a colon with the pattern after the colon using
\d+to match one or more digits (if you want to match a valid time you could update this with a pattern that matches your time format):\[\(h\d+\){h\d+}] - Close the positive lookahead
)
The fourth bird
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