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On 2012/02/09 09:44 AM, daedae11 wrote:
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However, re.match("hello", "And they said hello" ) will also
return None. So "And they said hello" also won't be matched
by the regex pattern "hello".
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<div><span>daedae11</span></div>
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<div><b>From:</b> <a moz-do-not-send="true"
href="mailto:cwitts@compuscan.co.za">Christian Witts</a></div>
<div><b>Date:</b> 2012-02-09 15:16</div>
<div><b>To:</b> <a moz-do-not-send="true"
href="mailto:daedae11@126.com">daedae11</a></div>
<div><b>CC:</b> <a moz-do-not-send="true"
href="mailto:tutor@python.org">turor_python</a></div>
<div><b>Subject:</b> Re: [Tutor] What the difference between
the two RE?</div>
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<div class="FoxDiv20120209154220318942">On 2012/02/09 08:15 AM,
daedae11 wrote:
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<div>import re</div>
<div>re.match("^hello", "hello")</div>
<div>re.match("hello", "hello")</div>
<div> </div>
<div>Please give a string that matches RE "^hello" but does
not match RE "hello", or matches RE "hello" but does not
match RE "^hello".</div>
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<div><span>daedae11</span></div>
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The caret ^ means "At the beginning of the line" so 'And they
said hello' will not be matched by the regex pattern '^hello'.<br>
<br>
The docs are pretty good on the module<br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://docs.python.org/library/re.html">http://docs.python.org/library/re.html</a><br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://docs.python.org/howto/regex.html">http://docs.python.org/howto/regex.html</a><br>
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<p>Christian Witts<br>
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<font color="#000000">From the docs
<a class="moz-txt-link-freetext" href="http://docs.python.org/library/re.html#re.match">http://docs.python.org/library/re.html#re.match</a><br>
Note: If you want to locate a match anywhere in string, use
search() instead.</font><br>
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