# AnyLang Programming Language Comparison/Appendix:PLEAC Crossref:Pattern matching
## PatternMatching
### Introduction

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Copying and Substituting Simultaneously

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Matching Letters

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Matching Words

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Commenting Regular Expressions

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Finding the Nth Occurrence of a Match

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Matching Multiple Lines

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Reading Records with a Pattern Separator

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Extracting a Range of Lines

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Matching Shell Globs as Regular Expressions

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Speeding Up Interpolated Matches

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Testing for a Valid Pattern

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Honoring Locale Settings in Regular Expressions

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Approximate Matching

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Matching from Where the Last Pattern Left Off

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Greedy and Non-Greedy Matches

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Detecting Duplicate Words

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Expressing AND, OR, and NOT in a Single Pattern

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Matching Multiple-Byte Characters

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Matching a Valid Mail Address

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Matching Abbreviations

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Program: urlify

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Program: tcgrep

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Regular Expression Grabbag

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |