Data commit

Task/Regular-expressions/NetRexx/regular-expressions.netrexx

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+/* NetRexx */
+options replace format comments java crossref symbols nobinary
+
+import java.util.regex.
+
+st1 = 'Fee, fie, foe, fum, I smell the blood of an Englishman'
+rx1 = 'f.e.*?'
+sbx = 'foo'
+
+rx1ef = '(?i)'rx1 -- use embedded flag expression == Pattern.CASE_INSENSITIVE
+
+-- using String's matches & replaceAll
+mcm = (String st1).matches(rx1ef)
+say 'String "'st1'"' 'matches pattern "'rx1ef'":' Boolean(mcm)
+say
+say 'Replace all occurrences of regex pattern "'rx1ef'" with "'sbx'"'
+stx = Rexx
+stx = (String st1).replaceAll(rx1ef, sbx)
+say 'Input string:  "'st1'"'
+say 'Result string: "'stx'"'
+say
+
+-- using java.util.regex classes
+pt1 = Pattern.compile(rx1, Pattern.CASE_INSENSITIVE)
+mc1 = pt1.matcher(st1)
+mcm = mc1.matches()
+say 'String "'st1'"' 'matches pattern "'pt1.toString()'":' Boolean(mcm)
+mc1 = pt1.matcher(st1)
+say
+say 'Replace all occurrences of regex pattern "'rx1'" with "'sbx'"'
+sx1 = Rexx
+sx1 = mc1.replaceAll(sbx)
+say 'Input string:  "'st1'"'
+say 'Result string: "'sx1'"'
+say
+
+return