Problem 2811. Regex match

Created by Guillaume

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Many regular expression engines have a simple function to quickly know whether a regular expression entirely matches a string or not, for example C++ <a href = "http://www.cplusplus.com/reference/regex/regex_match/">regex_match</a>, python <a href = "https://docs.python.org/3/library/re.html?highlight=regex#re.fullmatch">regex.fullmatch</a>, and Java <a href = "http://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html#matches(java.lang.String,%20java.lang.CharSequence)">Pattern.matches</a>. This is particularly useful for UIs that are only interested in validating strings.Write such a function for MATLAB. As with other MATLAB's regex functions, this function should work with strings and cell arrays of strings.Example<pre class="language-matlab">tf = regex_match('2015', '[0-9]+'); %is string only made of numbers?
 tf = true
</pre><pre class="language-matlab">tf = regex_match({'2015', '2015b', 'abc'}, '[0-9]+'); %match cell array against regex
 tf = [true false false]
</pre><pre class="language-matlab">tf = regex_match('2015', {'[0-9]+', '[A-Za-z]+'}); %match string agains cell array of regex
 tf = [true false]
</pre><pre class="language-matlab">tf = regex_match({'2015', 'abc'}, {'[0-9]+', '[A-Za-z]+'}); match cell against cell
 tf = [true true]
</pre>Note: calling java is forbidden

Many regular expression engines have a simple function to quickly know whether a regular expression entirely matches a string or not, for example C++ <http://www.cplusplus.com/reference/regex/regex_match/ regex_match>, python <https://docs.python.org/3/library/re.html?highlight=regex#re.fullmatch regex.fullmatch>, and Java <http://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html#matches(java.lang.String,%20java.lang.CharSequence) Pattern.matches>. This is particularly useful for UIs that are only interested in validating strings.

Write such a function for MATLAB. As with other MATLAB's regex functions, this function should work with strings and cell arrays of strings.

Example
 
  tf = regex_match('2015', '[0-9]+'); %is string only made of numbers?
      tf = true

tf = regex_match({'2015', '2015b', 'abc'}, '[0-9]+'); %match cell array against regex
      tf = [true false false]

tf = regex_match('2015', {'[0-9]+', '[A-Za-z]+'}); %match string agains cell array of regex
      tf = [true false]

tf = regex_match({'2015', 'abc'}, {'[0-9]+', '[A-Za-z]+'}); match cell against cell
      tf = [true true]

_Note: calling java is forbidden_

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62 Solutions
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Last Solution submitted on Jul 03, 2022

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Solution 552740

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Alfonso Nieto-Castanon on 6 Jan 2015

strcat on mixed input types, very nice!

Solution 552461

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Jan Orwat on 6 Jan 2015

Very nice exception to the matlab documentation (I mean sizes between cell arrays).

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